View file File name : functions.wp-styles.php Content :<?php /** * Dependencies API: Styles functions * * @since 2.6.0 * * @package WordPress * @subpackage Dependencies */ /** * Initializes $wp_styles if it has not been set. * * @since 4.2.0 * * @global WP_Styles $wp_styles * * @return WP_Styles WP_Styles instance. */ function wp_styles() { global $wp_styles; if ( ! ( $wp_styles instanceof WP_Styles ) ) { $wp_styles = new WP_Styles(); } return $wp_styles; } /** * Displays styles that are in the $handles queue. * * Passing an empty array to $handles prints the queue, * passing an array with one string prints that style, * and passing an array of strings prints those styles. * * @since 2.6.0 * * @global WP_Styles $wp_styles The WP_Styles object for printing styles. * * @param string|bool|array $handles Styles to be printed. Default 'false'. * @return string[] On success, an array of handles of processed WP_Dependencies items; otherwise, an empty array. */ function wp_print_styles( $handles = false ) { global $wp_styles; if ( '' === $handles ) { // For 'wp_head'. $handles = false; } if ( ! $handles ) { /** * Fires before styles in the $handles queue are printed. * * @since 2.6.0 */ do_action( 'wp_print_styles' ); } _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ ); if ( ! ( $wp_styles instanceof WP_Styles ) ) { if ( ! $handles ) { return array(); // No need to instantiate if nothing is there. } } return wp_styles()->do_items( $handles ); } /** * Adds extra CSS styles to a registered stylesheet. * * Styles will only be added if the stylesheet is already in the queue. * Accepts a string $data containing the CSS. If two or more CSS code blocks * are added to the same stylesheet $handle, they will be printed in the order * they were added, i.e. the latter added styles can redeclare the previous. * * @see WP_Styles::add_inline_style() * * @since 3.3.0 * * @param string $handle Name of the stylesheet to add the extra styles to. * @param string $data String containing the CSS styles to be added. * @return bool True on success, false on failure. */ function wp_add_inline_style( $handle, $data ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); if ( false !== stripos( $data, '</style>' ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: <style>, 2: wp_add_inline_style() */ __( 'Do not pass %1$s tags to %2$s.' ), '<code><style></code>', '<code>wp_add_inline_style()</code>' ), '3.7.0' ); $data = trim( preg_replace( '#<style[^>]*>(.*)</style>#is', '$1', $data ) ); } return wp_styles()->add_inline_style( $handle, $data ); } /** * Registers a CSS stylesheet. * * @see WP_Dependencies::add() * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types. * * @since 2.6.0 * @since 4.3.0 A return value was added. * * @param string $handle Name of the stylesheet. Should be unique. * @param string|false $src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. * If source is set to false, stylesheet is an alias of other stylesheets it depends on. * @param string[] $deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array. * @param string|bool|null $ver Optional. String specifying stylesheet version number, if it has one, which is added to the URL * as a query string for cache busting purposes. If version is set to false, a version * number is automatically added equal to current installed WordPress version. * If set to null, no version is added. * @param string $media Optional. The media for which this stylesheet has been defined. * Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like * '(orientation: portrait)' and '(max-width: 640px)'. * @return bool Whether the style has been registered. True on success, false on failure. */ function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); return wp_styles()->add( $handle, $src, $deps, $ver, $media ); } /** * Removes a registered stylesheet. * * @see WP_Dependencies::remove() * * @since 2.1.0 * * @param string $handle Name of the stylesheet to be removed. */ function wp_deregister_style( $handle ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); wp_styles()->remove( $handle ); } /** * Enqueues a CSS stylesheet. * * Registers the style if source provided (does NOT overwrite) and enqueues. * * @see WP_Dependencies::add() * @see WP_Dependencies::enqueue() * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types. * * @since 2.6.0 * * @param string $handle Name of the stylesheet. Should be unique. * @param string $src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. * Default empty. * @param string[] $deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array. * @param string|bool|null $ver Optional. String specifying stylesheet version number, if it has one, which is added to the URL * as a query string for cache busting purposes. If version is set to false, a version * number is automatically added equal to current installed WordPress version. * If set to null, no version is added. * @param string $media Optional. The media for which this stylesheet has been defined. * Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like * '(orientation: portrait)' and '(max-width: 640px)'. */ function wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); $wp_styles = wp_styles(); if ( $src ) { $_handle = explode( '?', $handle ); $wp_styles->add( $_handle[0], $src, $deps, $ver, $media ); } $wp_styles->enqueue( $handle ); } /** * Removes a previously enqueued CSS stylesheet. * * @see WP_Dependencies::dequeue() * * @since 3.1.0 * * @param string $handle Name of the stylesheet to be removed. */ function wp_dequeue_style( $handle ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); wp_styles()->dequeue( $handle ); } /** * Checks whether a CSS stylesheet has been added to the queue. * * @since 2.8.0 * * @param string $handle Name of the stylesheet. * @param string $status Optional. Status of the stylesheet to check. Default 'enqueued'. * Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'. * @return bool Whether style is queued. */ function wp_style_is( $handle, $status = 'enqueued' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle ); return (bool) wp_styles()->query( $handle, $status ); } /** * Adds metadata to a CSS stylesheet. * * Works only if the stylesheet has already been registered. * * Possible values for $key and $value: * 'conditional' string Comments for IE 6, lte IE 7 etc. * 'rtl' bool|string To declare an RTL stylesheet. * 'suffix' string Optional suffix, used in combination with RTL. * 'alt' bool For rel="alternate stylesheet". * 'title' string For preferred/alternate stylesheets. * 'path' string The absolute path to a stylesheet. Stylesheet will * load inline when 'path' is set. * * @see WP_Dependencies::add_data() * * @since 3.6.0 * @since 5.8.0 Added 'path' as an official value for $key. * See {@see wp_maybe_inline_styles()}. * * @param string $handle Name of the stylesheet. * @param string $key Name of data point for which we're storing a value. * Accepts 'conditional', 'rtl' and 'suffix', 'alt', 'title' and 'path'. * @param mixed $value String containing the CSS data to be added. * @return bool True on success, false on failure. */ function wp_style_add_data( $handle, $key, $value ) { return wp_styles()->add_data( $handle, $key, $value ); }