wp_iframe_tag_add_loading_attr – Hook

apply_filters( ‘wp_iframe_tag_add_loading_attr’, string|bool $value, string $iframe, string $context )

Filters the loading attribute value to add to an iframe. Default lazy.

Description

Returning false or an empty string will not add the attribute.
Returning true will add the default value.

$valuestring|bool: The loading attribute value. Returning a falsey value will result in the attribute being omitted for the iframe.
$iframestring: The HTML iframe tag to be filtered.
$contextstring: Additional context about how the function was called or where the iframe tag is.

$value = apply_filters( 'wp_iframe_tag_add_loading_attr', $value, $iframe, $context );

Used by	Description
wp_iframe_tag_add_loading_attr()`wp-includes/media.php`	Adds `loading` attribute to an `iframe` HTML tag.

Version	Description
5.7.0	Introduced.

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