wp-includes/media.php:1944Determines whether to add the loading attribute to the specified tag in the specified context.
$tag_namestring$contextstringboolOne hook fires while wp_lazy_loading_enabled() runs, in this order:
Filters whether to add the `loading` attribute to the specified tag in the specified context.
function wp_lazy_loading_enabled( $tag_name, $context ) { /* * By default add to all 'img' and 'iframe' tags. * See https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-loading * See https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-loading */ $default = ( 'img' === $tag_name || 'iframe' === $tag_name ); /** * Filters whether to add the `loading` attribute to the specified tag in the specified context. * * @since 5.5.0 * * @param bool $default Default value. * @param string $tag_name The tag name. * @param string $context Additional context, like the current filter name * or the function name from where this was called. */ return (bool) apply_filters( 'wp_lazy_loading_enabled', $default, $tag_name, $context );}Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/media.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.