WordPress Developer Resources

apply_filters( ‘wp_img_tag_add_decoding_attr’, string|false|null $value, string $image, string $context )

Filters the decoding attribute value to add to an image. Default async.

Description

Returning a falsey value will omit the attribute.

Parameters

$valuestring|false|null: The decoding attribute value. Returning a falsey value will result in the attribute being omitted for the image.
Otherwise, it may be: 'async', 'sync', or 'auto'. Defaults to false.
$imagestring: The HTML img tag to be filtered.
$contextstring: Additional context about how the function was called or where the img tag is.

Source

if ( ! is_string( $sizes ) ) {
	return $image;
}

// Don't add 'auto' to the sizes attribute if it already exists.
if ( wp_sizes_attribute_includes_valid_auto( $sizes ) ) {

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Changelog

Version	Description
6.1.0	Introduced.

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