wp_site_icon()

Display site icon meta tags.


Description Description


Source Source

File: wp-includes/general-template.php

function wp_site_icon() {
	if ( ! has_site_icon() && ! is_customize_preview() ) {
		return;
	}

	$meta_tags = array();
	$icon_32 = get_site_icon_url( 32 );
	if ( empty( $icon_32 ) && is_customize_preview() ) {
		$icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview.
	}
	if ( $icon_32 ) {
		$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) );
	}
	$icon_192 = get_site_icon_url( 192 );
	if ( $icon_192 ) {
		$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) );
	}
	$icon_180 = get_site_icon_url( 180 );
	if ( $icon_180 ) {
		$meta_tags[] = sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( $icon_180 ) );
	}
	$icon_270 = get_site_icon_url( 270 );
	if ( $icon_270 ) {
		$meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) );
	}

	/**
	 * Filters the site icon meta tags, so Plugins can add their own.
	 *
	 * @since 4.3.0
	 *
	 * @param array $meta_tags Site Icon meta elements.
	 */
	$meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags );
	$meta_tags = array_filter( $meta_tags );

	foreach ( $meta_tags as $meta_tag ) {
		echo "$meta_tag\n";
	}
}

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Changelog
Version Description
4.3.0 Introduced.


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