This function has been deprecated. Use wp_image_add_srcset_and_sizes() instead.
wp_make_content_images_responsive( string $content )
Filters ‘img’ elements in post content to add ‘srcset’ and ‘sizes’ attributes.
Description
See also
Parameters
- $content
-
(Required) The raw post content to be filtered.
Return
(string) Converted content with 'srcset' and 'sizes' attributes added to images.
Source
File: wp-includes/deprecated.php
function wp_make_content_images_responsive( $content ) {
if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
return $content;
}
$selected_images = $attachment_ids = array();
foreach( $matches[0] as $image ) {
if ( false === strpos( $image, ' srcset=' ) && preg_match( '/wp-image-([0-9]+)/i', $image, $class_id ) &&
( $attachment_id = absint( $class_id[1] ) ) ) {
/*
* If exactly the same image tag is used more than once, overwrite it.
* All identical tags will be replaced later with 'str_replace()'.
*/
$selected_images[ $image ] = $attachment_id;
// Overwrite the ID when the same image is included more than once.
$attachment_ids[ $attachment_id ] = true;
}
}
if ( count( $attachment_ids ) > 1 ) {
/*
* Warm the object cache with post and meta information for all found
* images to avoid making individual database calls.
*/
_prime_post_caches( array_keys( $attachment_ids ), false, true );
}
foreach ( $selected_images as $image => $attachment_id ) {
$image_meta = wp_get_attachment_metadata( $attachment_id );
$content = str_replace( $image, wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ), $content );
}
return $content;
}
Changelog
Version | Description |
---|---|
5.5.0 | This function has been deprecated. Use wp_image_add_srcset_and_sizes() instead. |
4.4.0 | Introduced. This function has been deprecated. Use wp_image_add_srcset_and_sizes() instead. |