apply_filters( 'style_loader_tag', string $tag, string $handle, string $href, string $media )

Filters the HTML link tag of an enqueued style.

Contents

Parameters Parameters

$tag

(string) The link tag for the enqueued style.

$handle

(string) The style's registered handle.

$href

(string) The stylesheet's source URL.

$media

(string) The stylesheet's media attribute.

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Source Source

File: wp-includes/class.wp-styles.php

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Changelog Changelog

Changelog
Version Description
4.5.0 Introduced the $media parameter.
4.3.0 Introduced the $href parameter.
2.6.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 2You must log in to vote on the helpfulness of this note
    Contributed by Muhammad Usama Masood —

    This simple change will make your browser call the Google Font page in the applicable mode (HTTP vs HTTPS) with wp_enqueue_style.

    add_filter( 'style_loader_tag', 'wpdocs_remove_https_styles', 10, 2 );
function wpdocs_remove_https_styles( $html, $handle ) {
	$handles = array( 'twentysixteen-fonts', 'open-sans' );
	if ( in_array( $handle, $handles ) ) {
		$html = str_replace( 'https:', '', $html );
	}
	return $html;
}
  2. Skip to note 2 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by Geoffrey Brossard —

    To defer loading of non-critical CSS :

    function prefix_defer_css_rel_preload( $html, $handle, $href, $media ) {
    if ( ! is_admin() ) {
        $html = '<link rel="preload" href="' . $href . '" as="style" id="' . $handle . '" media="' . $media . '" onload="this.onload=null;this.rel=\'stylesheet\'">'
            . '<noscript>' . $html . '</noscript>';
    }
    return $html;
}
add_filter( 'style_loader_tag', 'prefix_defer_css_rel_preload', 10, 4 );

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