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get_post_galleries_images( int|WP_Post $post )

Retrieve the image srcs from galleries from a post’s content, if present

$post: (int|WP_Post) (Optional) Post ID or WP_Post object. Default is global $post.

(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' );
}

Uses	Description
wp-includes/functions.php: wp_list_pluck()	Pluck a certain field out of each object in a list.
wp-includes/media.php: get_post_galleries()	Retrieves galleries from the passed post’s content.

Version	Description
3.6.0	Introduced.