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els.
 * @return resource|GdImage|false The GD image resource or GdImage instance on success.
 *                                False on failure.
 */
function wp_imagecreatetruecolor( $width, $height ) {
	$img = imagecreatetruecolor( $width, $height );

	if ( is_gd_image( $img )
		&& function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' )
	) {
		imagealphablending( $img, false );
		imagesavealpha( $img, true );
	}

	return $img;
}

/**
 * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
 *
 * @since 2.9.0
 *
 * @see wp_constrain_dimensions()
 *
 * @param int $example_width  The width of an example embed.
 * @param int $example_height The height of an example embed.
 * @param int $max_width      The maximum allowed width.
 * @param int $max_height     The maximum allowed height.
 * @return int[] {
 *     An array of maximum width and height values.
 *
 *     @type int $0 The maximum width in pixels.
 *     @type int $1 The maximum height in pixels.
 * }
 */
function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
	$example_width  = (int) $example_width;
	$example_height = (int) $example_height;
	$max_width      = (int) $max_width;
	$max_height     = (int) $max_height;

	return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
}

/**
 * Determines the maximum upload size allowed in php.ini.
 *
 * @since 2.5.0
 *
 * @return int Allowed upload size.
 */
function wp_max_upload_size() {
	$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
	$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );

	/**
	 * Filters the maximum upload size allowed in php.ini.
	 *
	 * @since 2.5.0
	 *
	 * @param int $size    Max upload size limit in bytes.
	 * @param int $u_bytes Maximum upload filesize in bytes.
	 * @param int $p_bytes Maximum size of POST data in bytes.
	 */
	return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
}

/**
 * Returns a WP_Image_Editor instance and loads file into it.
 *
 * @since 3.5.0
 *
 * @param string $path Path to the file to load.
 * @param array  $args Optional. Additional arguments for retrieving the image editor.
 *                     Default empty array.
 * @return WP_Image_Editor|WP_Error The WP_Image_Editor object on success,
 *                                  a WP_Error object otherwise.
 */
function wp_get_image_editor( $path, $args = array() ) {
	$args['path'] = $path;

	if ( ! isset( $args['mime_type'] ) ) {
		$file_info = wp_check_filetype( $args['path'] );

		// If $file_info['type'] is false, then we let the editor attempt to
		// figure out the file type, rather than forcing a failure based on extension.
		if ( isset( $file_info ) && $file_info['type'] ) {
			$args['mime_type'] = $file_info['type'];
		}
	}

	$implementation = _wp_image_editor_choose( $args );

	if ( $implementation ) {
		$editor = new $implementation( $path );
		$loaded = $editor->load();

		if ( is_wp_error( $loaded ) ) {
			return $loaded;
		}

		return $editor;
	}

	return new WP_Error( 'image_no_editor', __( 'No editor could be selected.' ) );
}

/**
 * Tests whether there is an editor that supports a given mime type or methods.
 *
 * @since 3.5.0
 *
 * @param string|array $args Optional. Array of arguments to retrieve the image editor supports.
 *                           Default empty array.
 * @return bool True if an eligible editor is found; false otherwise.
 */
function wp_image_editor_supports( $args = array() ) {
	return (bool) _wp_image_editor_choose( $args );
}

/**
 * Tests which editors are capable of supporting the request.
 *
 * @ignore
 * @since 3.5.0
 *
 * @param array $args Optional. Array of arguments for choosing a capable editor. Default empty array.
 * @return string|false Class name for the first editor that claims to support the request.
 *                      False if no editor claims to support the request.
 */
function _wp_image_editor_choose( $args = array() ) {
	require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
	require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
	require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
	/**
	 * Filters the list of image editing library classes.
	 *
	 * @since 3.5.0
	 *
	 * @param string[] $image_editors Array of available image editor class names. Defaults are
	 *                                'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
	 */
	$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );

	foreach ( $implementations as $implementation ) {
		if ( ! call_user_func( array( $implementation, 'test' ), $args ) ) {
			continue;
		}

		if ( isset( $args['mime_type'] ) &&
			! call_user_func(
				array( $implementation, 'supports_mime_type' ),
				$args['mime_type']
			) ) {
			continue;
		}

		if ( isset( $args['methods'] ) &&
			array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {

			continue;
		}

		return $implementation;
	}

	return false;
}

/**
 * Prints default Plupload arguments.
 *
 * @since 3.4.0
 */
function wp_plupload_default_settings() {
	$wp_scripts = wp_scripts();

	$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
	if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) ) {
		return;
	}

	$max_upload_size    = wp_max_upload_size();
	$allowed_extensions = array_keys( get_allowed_mime_types() );
	$extensions         = array();
	foreach ( $allowed_extensions as $extension ) {
		$extensions = array_merge( $extensions, explode( '|', $extension ) );
	}

	/*
	 * Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
	 * and the `flash_swf_url` and `silverlight_xap_url` are not used.
	 */
	$defaults = array(
		'file_data_name' => 'async-upload', // Key passed to $_FILE.
		'url'            => admin_url( 'async-upload.php', 'relative' ),
		'filters'        => array(
			'max_file_size' => $max_upload_size . 'b',
			'mime_types'    => array( array( 'extensions' => implode( ',', $extensions ) ) ),
		),
	);

	/*
	 * Currently only iOS Safari supports multiple files uploading,
	 * but iOS 7.x has a bug that prevents uploading of videos when enabled.
	 * See #29602.
	 */
	if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
		strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {

		$defaults['multi_selection'] = false;
	}

	// Check if WebP images can be edited.
	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) {
		$defaults['webp_upload_error'] = true;
	}

	/**
	 * Filters the Plupload default settings.
	 *
	 * @since 3.4.0
	 *
	 * @param array $defaults Default Plupload settings array.
	 */
	$defaults = apply_filters( 'plupload_default_settings', $defaults );

	$params = array(
		'action' => 'upload-attachment',
	);

	/**
	 * Filters the Plupload default parameters.
	 *
	 * @since 3.4.0
	 *
	 * @param array $params Default Plupload parameters array.
	 */
	$params = apply_filters( 'plupload_default_params', $params );

	$params['_wpnonce'] = wp_create_nonce( 'media-form' );

	$defaults['multipart_params'] = $params;

	$settings = array(
		'defaults'      => $defaults,
		'browser'       => array(
			'mobile'    => wp_is_mobile(),
			'supported' => _device_can_upload(),
		),
		'limitExceeded' => is_multisite() && ! is_upload_space_available(),
	);

	$script = 'var _wpPluploadSettings = ' . wp_json_encode( $settings ) . ';';

	if ( $data ) {
		$script = "$data\n$script";
	}

	$wp_scripts->add_data( 'wp-plupload', 'data', $script );
}

/**
 * Prepares an attachment post object for JS, where it is expected
 * to be JSON-encoded and fit into an Attachment model.
 *
 * @since 3.5.0
 *
 * @param int|WP_Post $attachment Attachment ID or object.
 * @return array|void {
 *     Array of attachment details, or void if the parameter does not correspond to an attachment.
 *
 *     @type string $alt                   Alt text of the attachment.
 *     @type string $author                ID of the attachment author, as a string.
 *     @type string $authorName            Name of the attachment author.
 *     @type string $caption               Caption for the attachment.
 *     @type array  $compat                Containing item and meta.
 *     @type string $context               Context, whether it's used as the site icon for example.
 *     @type int    $date                  Uploaded date, timestamp in milliseconds.
 *     @type string $dateFormatted         Formatted date (e.g. June 29, 2018).
 *     @type string $description           Description of the attachment.
 *     @type string $editLink              URL to the edit page for the attachment.
 *     @type string $filename              File name of the attachment.
 *     @type string $filesizeHumanReadable Filesize of the attachment in human readable format (e.g. 1 MB).
 *     @type int    $filesizeInBytes       Filesize of the attachment in bytes.
 *     @type int    $height                If the attachment is an image, represents the height of the image in pixels.
 *     @type string $icon                  Icon URL of the attachment (e.g. /wp-includes/images/media/archive.png).
 *     @type int    $id                    ID of the attachment.
 *     @type string $link                  URL to the attachment.
 *     @type int    $menuOrder             Menu order of the attachment post.
 *     @type array  $meta                  Meta data for the attachment.
 *     @type string $mime                  Mime type of the attachment (e.g. image/jpeg or application/zip).
 *     @type int    $modified              Last modified, timestamp in milliseconds.
 *     @type string $name                  Name, same as title of the attachment.
 *     @type array  $nonces                Nonces for update, delete and edit.
 *     @type string $orientation           If the attachment is an image, represents the image orientation
 *                                         (landscape or portrait).
 *     @type array  $sizes                 If the attachment is an image, contains an array of arrays
 *                                         for the images sizes: thumbnail, medium, large, and full.
 *     @type string $status                Post status of the attachment (usually 'inherit').
 *     @type string $subtype               Mime subtype of the attachment (usually the last part, e.g. jpeg or zip).
 *     @type string $title                 Title of the attachment (usually slugified file name without the extension).
 *     @type string $type                  Type of the attachment (usually first part of the mime type, e.g. image).
 *     @type int    $uploadedTo            Parent post to which the attachment was uploaded.
 *     @type string $uploadedToLink        URL to the edit page of the parent post of the attachment.
 *     @type string $uploadedToTitle       Post title of the parent of the attachment.
 *     @type string $url                   Direct URL to the attachment file (from wp-content).
 *     @type int    $width                 If the attachment is an image, represents the width of the image in pixels.
 * }
 *
 */
function wp_prepare_attachment_for_js( $attachment ) {
	$attachment = get_post( $attachment );

	if ( ! $attachment ) {
		return;
	}

	if ( 'attachment' !== $attachment->post_type ) {
		return;
	}

	$meta = wp_get_attachment_metadata( $attachment->ID );
	if ( false !== strpos( $attachment->post_mime_type, '/' ) ) {
		list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
	} else {
		list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
	}

	$attachment_url = wp_get_attachment_url( $attachment->ID );
	$base_url       = str_replace( wp_basename( $attachment_url ), '', $attachment_url );

	$response = array(
		'id'            => $attachment->ID,
		'title'         => $attachment->post_title,
		'filename'      => wp_basename( get_attached_file( $attachment->ID ) ),
		'url'           => $attachment_url,
		'link'          => get_attachment_link( $attachment->ID ),
		'alt'           => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
		'author'        => $attachment->post_author,
		'description'   => $attachment->post_content,
		'caption'       => $attachment->post_excerpt,
		'name'          => $attachment->post_name,
		'status'        => $attachment->post_status,
		'uploadedTo'    => $attachment->post_parent,
		'date'          => strtotime( $attachment->post_date_gmt ) * 1000,
		'modified'      => strtotime( $attachment->post_modified_gmt ) * 1000,
		'menuOrder'     => $attachment->menu_order,
		'mime'          => $attachment->post_mime_type,
		'type'          => $type,
		'subtype'       => $subtype,
		'icon'          => wp_mime_type_icon( $attachment->ID ),
		'dateFormatted' => mysql2date( __( 'F j, Y' ), $attachment->post_date ),
		'nonces'        => array(
			'update' => false,
			'delete' => false,
			'edit'   => false,
		),
		'editLink'      => false,
		'meta'          => false,
	);

	$author = new WP_User( $attachment->post_author );

	if ( $author->exists() ) {
		$author_name            = $author->display_name ? $author->display_name : $author->nickname;
		$response['authorName'] = html_entity_decode( $author_name, ENT_QUOTES, get_bloginfo( 'charset' ) );
		$response['authorLink'] = get_edit_user_link( $author->ID );
	} else {
		$response['authorName'] = __( '(no author)' );
	}

	if ( $attachment->post_parent ) {
		$post_parent = get_post( $attachment->post_parent );
		if ( $post_parent ) {
			$response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
			$response['uploadedToLink']  = get_edit_post_link( $attachment->post_parent, 'raw' );
		}
	}

	$attached_file = get_attached_file( $attachment->ID );

	if ( isset( $meta['filesize'] ) ) {
		$bytes = $meta['filesize'];
	} elseif ( file_exists( $attached_file ) ) {
		$bytes = filesize( $attached_file );
	} else {
		$bytes = '';
	}

	if ( $bytes ) {
		$response['filesizeInBytes']       = $bytes;
		$response['filesizeHumanReadable'] = size_format( $bytes );
	}

	$context             = get_post_meta( $attachment->ID, '_wp_attachment_context', true );
	$response['context'] = ( $context ) ? $context : '';

	if ( current_user_can( 'edit_post', $attachment->ID ) ) {
		$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
		$response['nonces']['edit']   = wp_create_nonce( 'image_editor-' . $attachment->ID );
		$response['editLink']         = get_edit_post_link( $attachment->ID, 'raw' );
	}

	if ( current_user_can( 'delete_post', $attachment->ID ) ) {
		$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
	}

	if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) {
		$sizes = array();

		/** This filter is documented in wp-admin/includes/media.php */
		$possible_sizes = apply_filters(
			'image_size_names_choose',
			array(
				'thumbnail' => __( 'Thumbnail' ),
				'medium'    => __( 'Medium' ),
				'large'     => __( 'Large' ),
				'full'      => __( 'Full Size' ),
			)
		);
		unset( $possible_sizes['full'] );

		/*
		 * Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
		 * First: run the image_downsize filter. If it returns something, we can use its data.
		 * If the filter does not return something, then image_downsize() is just an expensive way
		 * to check the image metadata, which we do second.
		 */
		foreach ( $possible_sizes as $size => $label ) {

			/** This filter is documented in wp-includes/media.php */
			$downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size );

			if ( $downsize ) {
				if ( empty( $downsize[3] ) ) {
					continue;
				}

				$sizes[ $size ] = array(
					'height'      => $downsize[2],
					'width'       => $downsize[1],
					'url'         => $downsize[0],
					'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
				);
			} elseif ( isset( $meta['sizes'][ $size ] ) ) {
				// Nothing from the filter, so consult image metadata if we have it.
				$size_meta = $meta['sizes'][ $size ];

				// We have the actual image size, but might need to further constrain it if content_width is narrower.
				// Thumbnail, medium, and full sizes are also checked against the site's height/width options.
				list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );

				$sizes[ $size ] = array(
					'height'      => $height,
					'width'       => $width,
					'url'         => $base_url . $size_meta['file'],
					'orientation' => $height > $width ? 'portrait' : 'landscape',
				);
			}
		}

		if ( 'image' === $type ) {
			if ( ! empty( $meta['original_image'] ) ) {
				$response['originalImageURL']  = wp_get_original_image_url( $attachment->ID );
				$response['originalImageName'] = wp_basename( wp_get_original_image_path( $attachment->ID ) );
			}

			$sizes['full'] = array( 'url' => $attachment_url );

			if ( isset( $meta['height'], $meta['width'] ) ) {
				$sizes['full']['height']      = $meta['height'];
				$sizes['full']['width']       = $meta['width'];
				$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
			}

			$response = array_merge( $response, $sizes['full'] );
		} elseif ( $meta['sizes']['full']['file'] ) {
			$sizes['full'] = array(
				'url'         => $base_url . $meta['sizes']['full']['file'],
				'height'      => $meta['sizes']['full']['height'],
				'width'       => $meta['sizes']['full']['width'],
				'orientation' => $meta['sizes']['full']['height'] > $meta['sizes']['full']['width'] ? 'portrait' : 'landscape',
			);
		}

		$response = array_merge( $response, array( 'sizes' => $sizes ) );
	}

	if ( $meta && 'video' === $type ) {
		if ( isset( $meta['width'] ) ) {
			$response['width'] = (int) $meta['width'];
		}
		if ( isset( $meta['height'] ) ) {
			$response['height'] = (int) $meta['height'];
		}
	}

	if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
		if ( isset( $meta['length_formatted'] ) ) {
			$response['fileLength']              = $meta['length_formatted'];
			$response['fileLengthHumanReadable'] = human_readable_duration( $meta['length_formatted'] );
		}

		$response['meta'] = array();
		foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
			$response['meta'][ $key ] = false;

			if ( ! empty( $meta[ $key ] ) ) {
				$response['meta'][ $key ] = $meta[ $key ];
			}
		}

		$id = get_post_thumbnail_id( $attachment->ID );
		if ( ! empty( $id ) ) {
			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
			$response['image']            = compact( 'src', 'width', 'height' );
			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
			$response['thumb']            = compact( 'src', 'width', 'height' );
		} else {
			$src               = wp_mime_type_icon( $attachment->ID );
			$width             = 48;
			$height            = 64;
			$response['image'] = compact( 'src', 'width', 'height' );
			$response['thumb'] = compact( 'src', 'width', 'height' );
		}
	}

	if ( function_exists( 'get_compat_media_markup' ) ) {
		$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
	}

	if ( function_exists( 'get_media_states' ) ) {
		$media_states = get_media_states( $attachment );
		if ( ! empty( $media_states ) ) {
			$response['mediaStates'] = implode( ', ', $media_states );
		}
	}

	/**
	 * Filters the attachment data prepared for JavaScript.
	 *
	 * @since 3.5.0
	 *
	 * @param array       $response   Array of prepared attachment data. @see wp_prepare_attachment_for_js().
	 * @param WP_Post     $attachment Attachment object.
	 * @param array|false $meta       Array of attachment meta data, or false if there is none.
	 */
	return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
}

/**
 * Enqueues all scripts, styles, settings, and templates necessary to use
 * all media JS APIs.
 *
 * @since 3.5.0
 *
 * @global int       $content_width
 * @global wpdb      $wpdb          WordPress database abstraction object.
 * @global WP_Locale $wp_locale     WordPress date and time locale object.
 *
 * @param array $args {
 *     Arguments for enqueuing media scripts.
 *
 *     @type int|WP_Post $post A post object or ID.
 * }
 */
function wp_enqueue_media( $args = array() ) {
	// Enqueue me just once per page, please.
	if ( did_action( 'wp_enqueue_media' ) ) {
		return;
	}

	global $content_width, $wpdb, $wp_locale;

	$defaults = array(
		'post' => null,
	);
	$args     = wp_parse_args( $args, $defaults );

	// We're going to pass the old thickbox media tabs to `media_upload_tabs`
	// to ensure plugins will work. We will then unset those tabs.
	$tabs = array(
		// handler action suffix => tab label
		'type'     => '',
		'type_url' => '',
		'gallery'  => '',
		'library'  => '',
	);

	/** This filter is documented in wp-admin/includes/media.php */
	$tabs = apply_filters( 'media_upload_tabs', $tabs );
	unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );

	$props = array(
		'link'  => get_option( 'image_default_link_type' ), // DB default is 'file'.
		'align' => get_option( 'image_default_align' ),     // Empty default.
		'size'  => get_option( 'image_default_size' ),      // Empty default.
	);

	$exts      = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
	$mimes     = get_allowed_mime_types();
	$ext_mimes = array();
	foreach ( $exts as $ext ) {
		foreach ( $mimes as $ext_preg => $mime_match ) {
			if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
				$ext_mimes[ $ext ] = $mime_match;
				break;
			}
		}
	}

	/**
	 * Allows showing or hiding the "Create Audio Playlist" button in the media library.
	 *
	 * By default, the "Create Audio Playlist" button will always be shown in
	 * the media library.  If this filter returns `null`, a query will be run
	 * to determine whether the media library contains any audio items.  This
	 * was the default behavior prior to version 4.8.0, but this query is
	 * expensive for large media libraries.
	 *
	 * @since 4.7.4
	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
	 *
	 * @link https://core.trac.wordpress.org/ticket/31071
	 *
	 * @param bool|null $show Whether to show the button, or `null` to decide based
	 *                        on whether any audio files exist in the media library.
	 */
	$show_audio_playlist = apply_filters( 'media_library_show_audio_playlist', true );
	if ( null === $show_audio_playlist ) {
		$show_audio_playlist = $wpdb->get_var(
			"
			SELECT ID
			FROM $wpdb->posts
			WHERE post_type = 'attachment'
			AND post_mime_type LIKE 'audio%'
			LIMIT 1
		"
		);
	}

	/**
	 * Allows showing or hiding the "Create Video Playlist" button in the media library.
	 *
	 * By default, the "Create Video Playlist" button will always be shown in
	 * the media library.  If this filter returns `null`, a query will be run
	 * to determine whether the media library contains any video items.  This
	 * was the default behavior prior to version 4.8.0, but this query is
	 * expensive for large media libraries.
	 *
	 * @since 4.7.4
	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
	 *
	 * @link https://core.trac.wordpress.org/ticket/31071
	 *
	 * @param bool|null $show Whether to show the button, or `null` to decide based
	 *                        on whether any video files exist in the media library.
	 */
	$show_video_playlist = apply_filters( 'media_library_show_video_playlist', true );
	if ( null === $show_video_playlist ) {
		$show_video_playlist = $wpdb->get_var(
			"
			SELECT ID
			FROM $wpdb->posts
			WHERE post_type = 'attachment'
			AND post_mime_type LIKE 'video%'
			LIMIT 1
		"
		);
	}

	/**
	 * Allows overriding the list of months displayed in the media library.
	 *
	 * By default (if this filter does not return an array), a query will be
	 * run to determine the months that have media items.  This query can be
	 * expensive for large media libraries, so it may be desirable for sites to
	 * override this behavior.
	 *
	 * @since 4.7.4
	 *
	 * @link https://core.trac.wordpress.org/ticket/31071
	 *
	 * @param array|null $months An array of objects with `month` and `year`
	 *                           properties, or `null` (or any other non-array value)
	 *                           for default behavior.
	 */
	$months = apply_filters( 'media_library_months_with_files', null );
	if ( ! is_array( $months ) ) {
		$months = $wpdb->get_results(
			$wpdb->prepare(
				"
			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
			FROM $wpdb->posts
			WHERE post_type = %s
			ORDER BY post_date DESC
		",
				'attachment'
			)
		);
	}
	foreach ( $months as $month_year ) {
		$month_year->text = sprintf(
			/* translators: 1: Month, 2: Year. */
			__( '%1$s %2$d' ),
			$wp_locale->get_month( $month_year->month ),
			$month_year->year
		);
	}

	/**
	 * Filters whether the Media Library grid has infinite scrolling. Default `false`.
	 *
	 * @since 5.8.0
	 *
	 * @param bool $infinite Whether the Media Library grid has infinite scrolling.
	 */
	$infinite_scrolling = apply_filters( 'media_library_infinite_scrolling', false );

	$settings = array(
		'tabs'              => $tabs,
		'tabUrl'            => add_query_arg( array( 'chromeless' => true ), admin_url( 'media-upload.php' ) ),
		'mimeTypes'         => wp_list_pluck( get_post_mime_types(), 0 ),
		/** This filter is documented in wp-admin/includes/media.php */
		'captions'          => ! apply_filters( 'disable_captions', '' ),
		'nonce'             => array(
			'sendToEditor'           => wp_create_nonce( 'media-send-to-editor' ),
			'setAttachmentThumbnail' => wp_create_nonce( 'set-attachment-thumbnail' ),
		),
		'post'              => array(
			'id' => 0,
		),
		'defaultProps'      => $props,
		'attachmentCounts'  => array(
			'audio' => ( $show_audio_playlist ) ? 1 : 0,
			'video' => ( $show_video_playlist ) ? 1 : 0,
		),
		'oEmbedProxyUrl'    => rest_url( 'oembed/1.0/proxy' ),
		'embedExts'         => $exts,
		'embedMimes'        => $ext_mimes,
		'contentWidth'      => $content_width,
		'months'            => $months,
		'mediaTrash'        => MEDIA_TRASH ? 1 : 0,
		'infiniteScrolling' => ( $infinite_scrolling ) ? 1 : 0,
	);

	$post = null;
	if ( isset( $args['post'] ) ) {
		$post             = get_post( $args['post'] );
		$settings['post'] = array(
			'id'    => $post->ID,
			'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
		);

		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
		if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
			if ( wp_attachment_is( 'audio', $post ) ) {
				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
			} elseif ( wp_attachment_is( 'video', $post ) ) {
				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
			}
		}

		if ( $thumbnail_support ) {
			$featured_image_id                   = get_post_meta( $post->ID, '_thumbnail_id', true );
			$settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
		}
	}

	if ( $post ) {
		$post_type_object = get_post_type_object( $post->post_type );
	} else {
		$post_type_object = get_post_type_object( 'post' );
	}

	$strings = array(
		// Generic.
		'mediaFrameDefaultTitle'      => __( 'Media' ),
		'url'                         => __( 'URL' ),
		'addMedia'                    => __( 'Add media' ),
		'search'                      => __( 'Search' ),
		'select'                      => __( 'Select' ),
		'cancel'                      => __( 'Cancel' ),
		'update'                      => __( 'Update' ),
		'replace'                     => __( 'Replace' ),
		'remove'                      => __( 'Remove' ),
		'back'                        => __( 'Back' ),
		/*
		 * translators: This is a would-be plural string used in the media manager.
		 * If there is not a word you can use in your language to avoid issues with the
		 * lack of plural support here, turn it into "selected: %d" then translate it.
		 */
		'selected'                    => __( '%d selected' ),
		'dragInfo'                    => __( 'Drag and drop to reorder media files.' ),

		// Upload.
		'uploadFilesTitle'            => __( 'Upload files' ),
		'uploadImagesTitle'           => __( 'Upload images' ),

		// Library.
		'mediaLibraryTitle'           => __( 'Media Library' ),
		'insertMediaTitle'            => __( 'Add media' ),
		'createNewGallery'            => __( 'Create a new gallery' ),
		'createNewPlaylist'           => __( 'Create a new playlist' ),
		'createNewVideoPlaylist'      => __( 'Create a new video playlist' ),
		'returnToLibrary'             => __( '&#8592; Go to library' ),
		'allMediaItems'               => __( 'All media items' ),
		'allDates'                    => __( 'All dates' ),
		'noItemsFound'                => __( 'No items found.' ),
		'insertIntoPost'              => $post_type_object->labels->insert_into_item,
		'unattached'                  => _x( 'Unattached', 'media items' ),
		'mine'                        => _x( 'Mine', 'media items' ),
		'trash'                       => _x( 'Trash', 'noun' ),
		'uploadedToThisPost'          => $post_type_object->labels->uploaded_to_this_item,
		'warnDelete'                  => __( "You are about to permanently delete this item from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
		'warnBulkDelete'              => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
		'warnBulkTrash'               => __( "You are about to trash these items.\n  'Cancel' to stop, 'OK' to delete." ),
		'bulkSelect'                  => __( 'Bulk select' ),
		'trashSelected'               => __( 'Move to Trash' ),
		'restoreSelected'             => __( 'Restore from Trash' ),
		'deletePermanently'           => __( 'Delete permanently' ),
		'apply'                       => __( 'Apply' ),
		'filterByDate'                => __( 'Filter by date' ),
		'filterByType'                => __( 'Filter by type' ),
		'searchLabel'                 => __( 'Search' ),
		'searchMediaLabel'            => __( 'Search media' ),          // Backward compatibility pre-5.3.
		'searchMediaPlaceholder'      => __( 'Search media items...' ), // Placeholder (no ellipsis), backward compatibility pre-5.3.
		/* translators: %d: Number of attachments found in a search. */
		'mediaFound'                  => __( 'Number of media items found: %d' ),
		'noMedia'                     => __( 'No media items found.' ),
		'noMediaTryNewSearch'         => __( 'No media items found. Try a different search.' ),

		// Library Details.
		'attachmentDetails'           => __( 'Attachment details' ),

		// From URL.
		'insertFromUrlTitle'          => __( 'Insert from URL' ),

		// Featured Images.
		'setFeaturedImageTitle'       => $post_type_object->labels->featured_image,
		'setFeaturedImage'            => $post_type_object->labels->set_featured_image,

		// Gallery.
		'createGalleryTitle'          => __( 'Create gallery' ),
		'editGalleryTitle'            => __( 'Edit gallery' ),
		'cancelGalleryTitle'          => __( '&#8592; Cancel gallery' ),
		'insertGallery'               => __( 'Insert gallery' ),
		'updateGallery'               => __( 'Update gallery' ),
		'addToGallery'                => __( 'Add to gallery' ),
		'addToGalleryTitle'           => __( 'Add to gallery' ),
		'reverseOrder'                => __( 'Reverse order' ),

		// Edit Image.
		'imageDetailsTitle'           => __( 'Image details' ),
		'imageReplaceTitle'           => __( 'Replace image' ),
		'imageDetailsCancel'          => __( 'Cancel edit' ),
		'editImage'                   => __( 'Edit image' ),

		// Crop Image.
		'chooseImage'                 => __( 'Choose image' ),
		'selectAndCrop'               => __( 'Select and crop' ),
		'skipCropping'                => __( 'Skip cropping' ),
		'cropImage'                   => __( 'Crop image' ),
		'cropYourImage'               => __( 'Crop your image' ),
		'cropping'                    => __( 'Cropping&hellip;' ),
		/* translators: 1: Suggested width number, 2: Suggested height number. */
		'suggestedDimensions'         => __( 'Suggested image dimensions: %1$s by %2$s pixels.' ),
		'cropError'                   => __( 'There has been an error cropping your image.' ),

		// Edit Audio.
		'audioDetailsTitle'           => __( 'Audio details' ),
		'audioReplaceTitle'           => __( 'Replace audio' ),
		'audioAddSourceTitle'         => __( 'Add audio source' ),
		'audioDetailsCancel'          => __( 'Cancel edit' ),

		// Edit Video.
		'videoDetailsTitle'           => __( 'Video details' ),
		'videoReplaceTitle'           => __( 'Replace video' ),
		'videoAddSourceTitle'         => __( 'Add video source' ),
		'videoDetailsCancel'          => __( 'Cancel edit' ),
		'videoSelectPosterImageTitle' => __( 'Select poster image' ),
		'videoAddTrackTitle'          => __( 'Add subtitles' ),

		// Playlist.
		'playlistDragInfo'            => __( 'Drag and drop to reorder tracks.' ),
		'createPlaylistTitle'         => __( 'Create audio playlist' ),
		'editPlaylistTitle'           => __( 'Edit audio playlist' ),
		'cancelPlaylistTitle'         => __( '&#8592; Cancel audio playlist' ),
		'insertPlaylist'              => __( 'Insert audio playlist' ),
		'updatePlaylist'              => __( 'Update audio playlist' ),
		'addToPlaylist'               => __( 'Add to audio playlist' ),
		'addToPlaylistTitle'          => __( 'Add to Audio Playlist' ),

		// Video Playlist.
		'videoPlaylistDragInfo'       => __( 'Drag and drop to reorder videos.' ),
		'createVideoPlaylistTitle'    => __( 'Create video playlist' ),
		'editVideoPlaylistTitle'      => __( 'Edit video playlist' ),
		'cancelVideoPlaylistTitle'    => __( '&#8592; Cancel video playlist' ),
		'insertVideoPlaylist'         => __( 'Insert video playlist' ),
		'updateVideoPlaylist'         => __( 'Update video playlist' ),
		'addToVideoPlaylist'          => __( 'Add to video playlist' ),
		'addToVideoPlaylistTitle'     => __( 'Add to video Playlist' ),

		// Headings.
		'filterAttachments'           => __( 'Filter media' ),
		'attachmentsList'             => __( 'Media list' ),
	);

	/**
	 * Filters the media view settings.
	 *
	 * @since 3.5.0
	 *
	 * @param array   $settings List of media view settings.
	 * @param WP_Post $post     Post object.
	 */
	$settings = apply_filters( 'media_view_settings', $settings, $post );

	/**
	 * Filters the media view strings.
	 *
	 * @since 3.5.0
	 *
	 * @param string[] $strings Array of media view strings keyed by the name they'll be referenced by in JavaScript.
	 * @param WP_Post  $post    Post object.
	 */
	$strings = apply_filters( 'media_view_strings', $strings, $post );

	$strings['settings'] = $settings;

	// Ensure we enqueue media-editor first, that way media-views
	// is registered internally before we try to localize it. See #24724.
	wp_enqueue_script( 'media-editor' );
	wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );

	wp_enqueue_script( 'media-audiovideo' );
	wp_enqueue_style( 'media-views' );
	if ( is_admin() ) {
		wp_enqueue_script( 'mce-view' );
		wp_enqueue_script( 'image-edit' );
	}
	wp_enqueue_style( 'imgareaselect' );
	wp_plupload_default_settings();

	require_once ABSPATH . WPINC . '/media-template.php';
	add_action( 'admin_footer', 'wp_print_media_templates' );
	add_action( 'wp_footer', 'wp_print_media_templates' );
	add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );

	/**
	 * Fires at the conclusion of wp_enqueue_media().
	 *
	 * @since 3.5.0
	 */
	do_action( 'wp_enqueue_media' );
}

/**
 * Retrieves media attached to the passed post.
 *
 * @since 3.6.0
 *
 * @param string      $type Mime type.
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return WP_Post[] Array of media attached to the given post.
 */
function get_attached_media( $type, $post = 0 ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return array();
	}

	$args = array(
		'post_parent'    => $post->ID,
		'post_type'      => 'attachment',
		'post_mime_type' => $type,
		'posts_per_page' => -1,
		'orderby'        => 'menu_order',
		'order'          => 'ASC',
	);

	/**
	 * Filters arguments used to retrieve media attached to the given post.
	 *
	 * @since 3.6.0
	 *
	 * @param array   $args Post query arguments.
	 * @param string  $type Mime type of the desired media.
	 * @param WP_Post $post Post object.
	 */
	$args = apply_filters( 'get_attached_media_args', $args, $type, $post );

	$children = get_children( $args );

	/**
	 * Filters the list of media attached to the given post.
	 *
	 * @since 3.6.0
	 *
	 * @param WP_Post[] $children Array of media attached to the given post.
	 * @param string    $type     Mime type of the media desired.
	 * @param WP_Post   $post     Post object.
	 */
	return (array) apply_filters( 'get_attached_media', $children, $type, $post );
}

/**
 * Check the content HTML for a audio, video, object, embed, or iframe tags.
 *
 * @since 3.6.0
 *
 * @param string   $content A string of HTML which might contain media elements.
 * @param string[] $types   An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.
 * @return string[] Array of found HTML media elements.
 */
function get_media_embedded_in_content( $content, $types = null ) {
	$html = array();

	/**
	 * Filters the embedded media types that are allowed to be returned from the content blob.
	 *
	 * @since 4.2.0
	 *
	 * @param string[] $allowed_media_types An array of allowed media types. Default media types are
	 *                                      'audio', 'video', 'object', 'embed', and 'iframe'.
	 */
	$allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) );

	if ( ! empty( $types ) ) {
		if ( ! is_array( $types ) ) {
			$types = array( $types );
		}

		$allowed_media_types = array_intersect( $allowed_media_types, $types );
	}

	$tags = implode( '|', $allowed_media_types );

	if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
		foreach ( $matches[0] as $match ) {
			$html[] = $match;
		}
	}

	return $html;
}

/**
 * Retrieves galleries from the passed post's content.
 *
 * @since 3.6.0
 *
 * @param int|WP_Post $post Post ID or object.
 * @param bool        $html Optional. Whether to return HTML or data in the array. Default true.
 * @return array A list of arrays, each containing gallery data and srcs parsed
 *               from the expanded shortcode.
 */
function get_post_galleries( $post, $html = true ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return array();
	}

	if ( ! has_shortcode( $post->post_content, 'gallery' ) && ! has_block( 'gallery', $post->post_content ) ) {
		return array();
	}

	$galleries = array();
	if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
		foreach ( $matches as $shortcode ) {
			if ( 'gallery' === $shortcode[2] ) {
				$srcs = array();

				$shortcode_attrs = shortcode_parse_atts( $shortcode[3] );
				if ( ! is_array( $shortcode_attrs ) ) {
					$shortcode_attrs = array();
				}

				// Specify the post ID of the gallery we're viewing if the shortcode doesn't reference another post already.
				if ( ! isset( $shortcode_attrs['id'] ) ) {
					$shortcode[3] .= ' id="' . (int) $post->ID . '"';
				}

				$gallery = do_shortcode_tag( $shortcode );
				if ( $html ) {
					$galleries[] = $gallery;
				} else {
					preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
					if ( ! empty( $src ) ) {
						foreach ( $src as $s ) {
							$srcs[] = $s[2];
						}
					}

					$galleries[] = array_merge(
						$shortcode_attrs,
						array(
							'src' => array_values( array_unique( $srcs ) ),
						)
					);
				}
			}
		}
	}

	if ( has_block( 'gallery', $post->post_content ) ) {
		$post_blocks = parse_blocks( $post->post_content );

		while ( $block = array_shift( $post_blocks ) ) {
			$has_inner_blocks = ! empty( $block['innerBlocks'] );

			// Skip blocks with no blockName and no innerHTML.
			if ( ! $block['blockName'] ) {
				continue;
			}

			// Skip non-Gallery blocks.
			if ( 'core/gallery' !== $block['blockName'] ) {
				// Move inner blocks into the root array before skipping.
				if ( $has_inner_blocks ) {
					array_push( $post_blocks, ...$block['innerBlocks'] );
				}
				continue;
			}

			// New Gallery block format as HTML.
			if ( $has_inner_blocks && $html ) {
				$block_html  = wp_list_pluck( $block['innerBlocks'], 'innerHTML' );
				$galleries[] = '<figure>' . implode( ' ', $block_html ) . '</figure>';
				continue;
			}

			$srcs = array();

			// New Gallery block format as an array.
			if ( $has_inner_blocks ) {
				$attrs = wp_list_pluck( $block['innerBlocks'], 'attrs' );
				$ids   = wp_list_pluck( $attrs, 'id' );

				foreach ( $ids as $id ) {
					$url = wp_get_attachment_url( $id );

					if ( is_string( $url ) && ! in_array( $url, $srcs, true ) ) {
						$srcs[] = $url;
					}
				}

				$galleries[] = array(
					'ids' => implode( ',', $ids ),
					'src' => $srcs,
				);

				continue;
			}

			// Old Gallery block format as HTML.
			if ( $html ) {
				$galleries[] = $block['innerHTML'];
				continue;
			}

			// Old Gallery block format as an array.
			$ids = ! empty( $block['attrs']['ids'] ) ? $block['attrs']['ids'] : array();

			// If present, use the image IDs from the JSON blob as canonical.
			if ( ! empty( $ids ) ) {
				foreach ( $ids as $id ) {
					$url = wp_get_attachment_url( $id );

					if ( is_string( $url ) && ! in_array( $url, $srcs, true ) ) {
						$srcs[] = $url;
					}
				}

				$galleries[] = array(
					'ids' => implode( ',', $ids ),
					'src' => $srcs,
				);

				continue;
			}

			// Otherwise, extract srcs from the innerHTML.
			preg_match_all( '#src=([\'"])(.+?)\1#is', $block['innerHTML'], $found_srcs, PREG_SET_ORDER );

			if ( ! empty( $found_srcs[0] ) ) {
				foreach ( $found_srcs as $src ) {
					if ( isset( $src[2] ) && ! in_array( $src[2], $srcs, true ) ) {
						$srcs[] = $src[2];
					}
				}
			}

			$galleries[] = array( 'src' => $srcs );
		}
	}

	/**
	 * Filters the list of all found galleries in the given post.
	 *
	 * @since 3.6.0
	 *
	 * @param array   $galleries Associative array of all found post galleries.
	 * @param WP_Post $post      Post object.
	 */
	return apply_filters( 'get_post_galleries', $galleries, $post );
}

/**
 * Check a specified post's content for gallery and, if present, return the first
 *
 * @since 3.6.0
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @param bool        $html Optional. Whether to return HTML or data. Default is true.
 * @return string|array Gallery data and srcs parsed from the expanded shortcode.
 */
function get_post_gallery( $post = 0, $html = true ) {
	$galleries = get_post_galleries( $post, $html );
	$gallery   = reset( $galleries );

	/**
	 * Filters the first-found post gallery.
	 *
	 * @since 3.6.0
	 *
	 * @param array       $gallery   The first-found post gallery.
	 * @param int|WP_Post $post      Post ID or object.
	 * @param array       $galleries Associative array of all found post galleries.
	 */
	return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
}

/**
 * Retrieve the image srcs from galleries from a post's content, if present
 *
 * @since 3.6.0
 *
 * @see get_post_galleries()
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return array A list of lists, each containing image srcs parsed.
 *               from an expanded shortcode
 */
function get_post_galleries_images( $post = 0 ) {
	$galleries = get_post_galleries( $post, false );
	return wp_list_pluck( $galleries, 'src' );
}

/**
 * Checks a post's content for galleries and return the image srcs for the first found gallery
 *
 * @since 3.6.0
 *
 * @see get_post_gallery()
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return string[] A list of a gallery's image srcs in order.
 */
function get_post_gallery_images( $post = 0 ) {
	$gallery = get_post_gallery( $post, false );
	return empty( $gallery['src'] ) ? array() : $gallery['src'];
}

/**
 * Maybe attempts to generate attachment metadata, if missing.
 *
 * @since 3.9.0
 *
 * @param WP_Post $attachment Attachment object.
 */
function wp_maybe_generate_attachment_metadata( $attachment ) {
	if ( empty( $attachment ) || empty( $attachment->ID ) ) {
		return;
	}

	$attachment_id = (int) $attachment->ID;
	$file          = get_attached_file( $attachment_id );
	$meta          = wp_get_attachment_metadata( $attachment_id );

	if ( empty( $meta ) && file_exists( $file ) ) {
		$_meta = get_post_meta( $attachment_id );
		$_lock = 'wp_generating_att_' . $attachment_id;

		if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $_lock ) ) {
			set_transient( $_lock, $file );
			wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
			delete_transient( $_lock );
		}
	}
}

/**
 * Tries to convert an attachment URL into a post ID.
 *
 * @since 4.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $url The URL to resolve.
 * @return int The found post ID, or 0 on failure.
 */
function attachment_url_to_postid( $url ) {
	global $wpdb;

	$dir  = wp_get_upload_dir();
	$path = $url;

	$site_url   = parse_url( $dir['url'] );
	$image_path = parse_url( $path );

	// Force the protocols to match if needed.
	if ( isset( $image_path['scheme'] ) && ( $image_path['scheme'] !== $site_url['scheme'] ) ) {
		$path = str_replace( $image_path['scheme'], $site_url['scheme'], $path );
	}

	if ( 0 === strpos( $path, $dir['baseurl'] . '/' ) ) {
		$path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
	}

	$sql = $wpdb->prepare(
		"SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
		$path
	);

	$results = $wpdb->get_results( $sql );
	$post_id = null;

	if ( $results ) {
		// Use the first available result, but prefer a case-sensitive match, if exists.
		$post_id = reset( $results )->post_id;

		if ( count( $results ) > 1 ) {
			foreach ( $results as $result ) {
				if ( $path === $result->meta_value ) {
					$post_id = $result->post_id;
					break;
				}
			}
		}
	}

	/**
	 * Filters an attachment ID found by URL.
	 *
	 * @since 4.2.0
	 *
	 * @param int|null $post_id The post_id (if any) found by the function.
	 * @param string   $url     The URL being looked up.
	 */
	return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
}

/**
 * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
 *
 * @since 4.0.0
 *
 * @return string[] The relevant CSS file URLs.
 */
function wpview_media_sandbox_styles() {
	$version        = 'ver=' . get_bloginfo( 'version' );
	$mediaelement   = includes_url( "js/mediaelement/mediaelementplayer-legacy.min.css?$version" );
	$wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" );

	return array( $mediaelement, $wpmediaelement );
}

/**
 * Registers the personal data exporter for media.
 *
 * @param array[] $exporters An array of personal data exporters, keyed by their ID.
 * @return array[] Updated array of personal data exporters.
 */
function wp_register_media_personal_data_exporter( $exporters ) {
	$exporters['wordpress-media'] = array(
		'exporter_friendly_name' => __( 'WordPress Media' ),
		'callback'               => 'wp_media_personal_data_exporter',
	);

	return $exporters;
}

/**
 * Finds and exports attachments associated with an email address.
 *
 * @since 4.9.6
 *
 * @param string $email_address The attachment owner email address.
 * @param int    $page          Attachment page.
 * @return array An array of personal data.
 */
function wp_media_personal_data_exporter( $email_address, $page = 1 ) {
	// Limit us to 50 attachments at a time to avoid timing out.
	$number = 50;
	$page   = (int) $page;

	$data_to_export = array();

	$user = get_user_by( 'email', $email_address );
	if ( false === $user ) {
		return array(
			'data' => $data_to_export,
			'done' => true,
		);
	}

	$post_query = new WP_Query(
		array(
			'author'         => $user->ID,
			'posts_per_page' => $number,
			'paged'          => $page,
			'post_type'      => 'attachment',
			'post_status'    => 'any',
			'orderby'        => 'ID',
			'order'          => 'ASC',
		)
	);

	foreach ( (array) $post_query->posts as $post ) {
		$attachment_url = wp_get_attachment_url( $post->ID );

		if ( $attachment_url ) {
			$post_data_to_export = array(
				array(
					'name'  => __( 'URL' ),
					'value' => $attachment_url,
				),
			);

			$data_to_export[] = array(
				'group_id'          => 'media',
				'group_label'       => __( 'Media' ),
				'group_description' => __( 'User&#8217;s media data.' ),
				'item_id'           => "post-{$post->ID}",
				'data'              => $post_data_to_export,
			);
		}
	}

	$done = $post_query->max_num_pages <= $page;

	return array(
		'data' => $data_to_export,
		'done' => $done,
	);
}

/**
 * Add additional default image sub-sizes.
 *
 * These sizes are meant to enhance the way WordPress displays images on the front-end on larger,
 * high-density devices. They make it possible to generate more suitable `srcset` and `sizes` attributes
 * when the users upload large images.
 *
 * The sizes can be changed or removed by themes and plugins but that is not recommended.
 * The size "names" reflect the image dimensions, so changing the sizes would be quite misleading.
 *
 * @since 5.3.0
 * @access private
 */
function _wp_add_additional_image_sizes() {
	// 2x medium_large size.
	add_image_size( '1536x1536', 1536, 1536 );
	// 2x large size.
	add_image_size( '2048x2048', 2048, 2048 );
}

/**
 * Callback to enable showing of the user error when uploading .heic images.
 *
 * @since 5.5.0
 *
 * @param array[] $plupload_settings The settings for Plupload.js.
 * @return array[] Modified settings for Plupload.js.
 */
function wp_show_heic_upload_error( $plupload_settings ) {
	$plupload_settings['heic_upload_error'] = true;
	return $plupload_settings;
}

/**
 * Allows PHP's getimagesize() to be debuggable when necessary.
 *
 * @since 5.7.0
 * @since 5.8.0 Added support for WebP images.
 *
 * @param string $filename   The file path.
 * @param array  $image_info Optional. Extended image information (passed by reference).
 * @return array|false Array of image information or false on failure.
 */
function wp_getimagesize( $filename, array &$image_info = null ) {
	// Don't silence errors when in debug mode, unless running unit tests.
	if ( defined( 'WP_DEBUG' ) && WP_DEBUG
		&& ! defined( 'WP_RUN_CORE_TESTS' )
	) {
		if ( 2 === func_num_args() ) {
			$info = getimagesize( $filename, $image_info );
		} else {
			$info = getimagesize( $filename );
		}
	} else {
		/*
		 * Silencing notice and warning is intentional.
		 *
		 * getimagesize() has a tendency to generate errors, such as
		 * "corrupt JPEG data: 7191 extraneous bytes before marker",
		 * even when it's able to provide image size information.
		 *
		 * See https://core.trac.wordpress.org/ticket/42480
		 */
		if ( 2 === func_num_args() ) {
			// phpcs:ignore WordPress.PHP.NoSilencedErrors
			$info = @getimagesize( $filename, $image_info );
		} else {
			// phpcs:ignore WordPress.PHP.NoSilencedErrors
			$info = @getimagesize( $filename );
		}
	}

	if ( false !== $info ) {
		return $info;
	}

	// For PHP versions that don't support WebP images,
	// extract the image size info from the file headers.
	if ( 'image/webp' === wp_get_image_mime( $filename ) ) {
		$webp_info = wp_get_webp_info( $filename );
		$width     = $webp_info['width'];
		$height    = $webp_info['height'];

		// Mimic the native return format.
		if ( $width && $height ) {
			return array(
				$width,
				$height,
				IMAGETYPE_WEBP,
				sprintf(
					'width="%d" height="%d"',
					$width,
					$height
				),
				'mime' => 'image/webp',
			);
		}
	}

	// The image could not be parsed.
	return false;
}

/**
 * Extracts meta information about a WebP file: width, height, and type.
 *
 * @since 5.8.0
 *
 * @param string $filename Path to a WebP file.
 * @return array {
 *     An array of WebP image information.
 *
 *     @type int|false    $width  Image width on success, false on failure.
 *     @type int|false    $height Image height on success, false on failure.
 *     @type string|false $type   The WebP type: one of 'lossy', 'lossless' or 'animated-alpha'.
 *                                False on failure.
 * }
 */
function wp_get_webp_info( $filename ) {
	$width  = false;
	$height = false;
	$type   = false;

	if ( 'image/webp' !== wp_get_image_mime( $filename ) ) {
		return compact( 'width', 'height', 'type' );
	}

	try {
		$handle = fopen( $filename, 'rb' );
		if ( $handle ) {
			$magic = fread( $handle, 40 );
			fclose( $handle );

			// Make sure we got enough bytes.
			if ( strlen( $magic ) < 40 ) {
				return compact( 'width', 'height', 'type' );
			}

			// The headers are a little different for each of the three formats.
			// Header values based on WebP docs, see https://developers.google.com/speed/webp/docs/riff_container.
			switch ( substr( $magic, 12, 4 ) ) {
				// Lossy WebP.
				case 'VP8 ':
					$parts  = unpack( 'v2', substr( $magic, 26, 4 ) );
					$width  = (int) ( $parts[1] & 0x3FFF );
					$height = (int) ( $parts[2] & 0x3FFF );
					$type   = 'lossy';
					break;
				// Lossless WebP.
				case 'VP8L':
					$parts  = unpack( 'C4', substr( $magic, 21, 4 ) );
					$width  = (int) ( $parts[1] | ( ( $parts[2] & 0x3F ) << 8 ) ) + 1;
					$height = (int) ( ( ( $parts[2] & 0xC0 ) >> 6 ) | ( $parts[3] << 2 ) | ( ( $parts[4] & 0x03 ) << 10 ) ) + 1;
					$type   = 'lossless';
					break;
				// Animated/alpha WebP.
				case 'VP8X':
					// Pad 24-bit int.
					$width = unpack( 'V', substr( $magic, 24, 3 ) . "\x00" );
					$width = (int) ( $width[1] & 0xFFFFFF ) + 1;
					// Pad 24-bit int.
					$height = unpack( 'V', substr( $magic, 27, 3 ) . "\x00" );
					$height = (int) ( $height[1] & 0xFFFFFF ) + 1;
					$type   = 'animated-alpha';
					break;
			}
		}
	} catch ( Exception $e ) {
	}

	return compact( 'width', 'height', 'type' );
}

/**
 * Gets the default value to use for a `loading` attribute on an element.
 *
 * This function should only be called for a tag and context if lazy-loading is generally enabled.
 *
 * The function usually returns 'lazy', but uses certain heuristics to guess whether the current element is likely to
 * appear above the fold, in which case it returns a boolean `false`, which will lead to the `loading` attribute being
 * omitted on the element. The purpose of this refinement is to avoid lazy-loading elements that are within the initial
 * viewport, which can have a negative performance impact.
 *
 * Under the hood, the function uses {@see wp_increase_content_media_count()} every time it is called for an element
 * within the main content. If the element is the very first content element, the `loading` attribute will be omitted.
 * This default threshold of 1 content element to omit the `loading` attribute for can be customized using the
 * {@see 'wp_omit_loading_attr_threshold'} filter.
 *
 * @since 5.9.0
 *
 * @param string $context Context for the element for which the `loading` attribute value is requested.
 * @return string|bool The default `loading` attribute value. Either 'lazy', 'eager', or a boolean `false`, to indicate
 *                     that the `loading` attribute should be skipped.
 */
function wp_get_loading_attr_default( $context ) {
	// Only elements with 'the_content' or 'the_post_thumbnail' context have special handling.
	if ( 'the_content' !== $context && 'the_post_thumbnail' !== $context ) {
		return 'lazy';
	}

	// Only elements within the main query loop have special handling.
	if ( is_admin() || ! in_the_loop() || ! is_main_query() ) {
		return 'lazy';
	}

	// Increase the counter since this is a main query content element.
	$content_media_count = wp_increase_content_media_count();

	// If the count so far is below the threshold, return `false` so that the `loading` attribute is omitted.
	if ( $content_media_count <= wp_omit_loading_attr_threshold() ) {
		return false;
	}

	// For elements after the threshold, lazy-load them as usual.
	return 'lazy';
}

/**
 * Gets the threshold for how many of the first content media elements to not lazy-load.
 *
 * This function runs the {@see 'wp_omit_loading_attr_threshold'} filter, which uses a default threshold value of 1.
 * The filter is only run once per page load, unless the `$force` parameter is used.
 *
 * @since 5.9.0
 *
 * @param bool $force Optional. If set to true, the filter will be (re-)applied even if it already has been before.
 *                    Default false.
 * @return int The number of content media elements to not lazy-load.
 */
function wp_omit_loading_attr_threshold( $force = false ) {
	static $omit_threshold;

	// This function may be called multiple times. Run the filter only once per page load.
	if ( ! isset( $omit_threshold ) || $force ) {
		/**
		 * Filters the threshold for how many of the first content media elements to not lazy-load.
		 *
		 * For these first content media elements, the `loading` attribute will be omitted. By default, this is the case
		 * for only the very first content media element.
		 *
		 * @since 5.9.0
		 *
		 * @param int $omit_threshold The number of media elements where the `loading` attribute will not be added. Default 1.
		 */
		$omit_threshold = apply_filters( 'wp_omit_loading_attr_threshold', 1 );
	}

	return $omit_threshold;
}

/**
 * Increases an internal content media count variable.
 *
 * @since 5.9.0
 * @access private
 *
 * @param int $amount Optional. Amount to increase by. Default 1.
 * @return int The latest content media count, after the increase.
 */
function wp_increase_content_media_count( $amount = 1 ) {
	static $content_media_count = 0;

	$content_media_count += $amount;

	return $content_media_count;
}
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function wp_get_audio_extensions() in /home/danestany/public_html/wp-includes/embed.php:214
Stack trace:
#0 /home/danestany/public_html/wp-includes/class-wp-hook.php(307): wp_maybe_load_embeds('')
#1 /home/danestany/public_html/wp-includes/class-wp-hook.php(331): WP_Hook-&gt;apply_filters(NULL, Array)
#2 /home/danestany/public_html/wp-includes/plugin.php(474): WP_Hook-&gt;do_action(Array)
#3 /home/danestany/public_html/wp-settings.php(450): do_action('plugins_loaded')
#4 /home/danestany/public_html/wp-config.php(98): require_once('/home/danestany...')
#5 /home/danestany/public_html/wp-load.php(50): require_once('/home/danestany...')
#6 /home/danestany/public_html/wp-blog-header.php(13): require_once('/home/danestany...')
#7 /home/danestany/public_html/index.php(17): require('/home/danestany...')
#8 {main}
  thrown in <b>/home/danestany/public_html/wp-includes/embed.php</b> on line <b>214</b><br />