Parameters
$loading_attrs array required Array of the loading optimization attributes for the element. $tag_name string required The tag name. $attr array required Array of the attributes for the element.
Source
function wp_maybe_add_fetchpriority_high_attr( $loading_attrs, $tag_name, $attr ) { // For now, adding `fetchpriority="high"` is only supported for images. if ( 'img' !== $ tag_name ) { return $loading_attrs; } if ( isset( $attr['fetchpriority'] ) ) { /* * While any `fetchpriority` value could be set in `$loading_attrs`, * for consistency we only do it for `fetchpriority="high"` since that * is the only possible value that WordPress core would apply on its * own. */ if ( 'high' === $attr['fetchpriority'] ) { $loading_attrs['fetchpriority'] = 'high'; wp_high_priority_element_flag( false ); } return $loading_attrs; } // Lazy-loading and `fetchpriority="high"` are mutually exclusive. if ( isset( $loading_attrs['loading'] ) && 'lazy' === $loading_attrs['loading'] ) { return $loading_attrs; } if ( ! wp_high_priority_element_flag() ) { return $loading_attrs; } /** * Filters the minimum square-pixels threshold for an image to be eligible as the high-priority image. * * @since 6.3.0 * * @param int $threshold Minimum square-pixels threshold. Default 50000. */ $wp_min_priority_img_pixels = apply_filters( 'wp_min_priority_img_pixels', 50000 ); if ( $wp_min_priority_img_pixels <= $attr['width'] * $attr['height'] ) { $loading_attrs['fetchpriority'] = 'high'; wp_high_priority_element_flag( false ); } return $loading_attrs; } Hooks
-
apply_filters ( ‘wp_min_priority_img_pixels’, int $threshold ) Filters the minimum square-pixels threshold for an image to be eligible as the high-priority image.
Changelog
| | |
|---|---|
| | |