wp_img_tag_add_loading_attr( string $image, string $context ): string

4785function wp_img_tag_add_loading_attr( $image, $context ) {4786	_deprecated_function( __FUNCTION__, '6.3.0', 'wp_img_tag_add_loading_optimization_attrs()' );4787	/*4788	 * Get loading attribute value to use. This must occur before the conditional check below so that even images that4789	 * are ineligible for being lazy-loaded are considered.4790	 */4791	$value = wp_get_loading_attr_default( $context );4792 4793	// Images should have source and dimension attributes for the `loading` attribute to be added.4794	if ( ! str_contains( $image, ' src="' ) || ! str_contains( $image, ' width="' ) || ! str_contains( $image, ' height="' ) ) {4795		return $image;4796	}4797 4798	/** This filter is documented in wp-includes/media.php */4799	$value = apply_filters( 'wp_img_tag_add_loading_attr', $value, $image, $context );4800 4801	if ( $value ) {4802		if ( ! in_array( $value, array( 'lazy', 'eager' ), true ) ) {4803			$value = 'lazy';4804		}4805 4806		return str_replace( '<img', '<img loading="' . esc_attr( $value ) . '"', $image );4807	}4808 4809	return $image;4810}