ta_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,
				),
			);

			$data_to_export[] = array(
				'group_id'          => 'media',
				'group_label'       => __( 'Media' ),
				'group_description' => __( 'User’s media data.' ),
				'item_id'           => "post-{$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, // phpcs:ignore PHPCompatibility.Constants.NewConstants.imagetype_webpFound
				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 $webp_info {
 *     An array of WebP image information.
 *
 *     @type array $size {
 *         @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' );
}