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<?php |
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/** |
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* A utility class for Kirki. |
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* |
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* @package Kirki |
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* @category Core |
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* @author Aristeides Stathopoulos |
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* @copyright Copyright (c) 2017, Aristeides Stathopoulos |
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* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT |
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* @since 3.0.9 |
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*/ |
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/** |
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* Utility class. |
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*/ |
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class Kirki_Util { |
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/** |
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* Constructor. |
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* |
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* @since 3.0.9 |
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* @access public |
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*/ |
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public function __construct() { |
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add_filter( 'http_request_args', array( $this, 'http_request' ), 10, 2 ); |
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} |
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/** |
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* Determine if Kirki is installed as a plugin. |
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* |
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* @static |
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* @access public |
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* @since 3.0.0 |
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* @return bool |
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*/ |
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public static function is_plugin() { |
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$is_plugin = false; |
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if ( ! function_exists( 'get_plugins' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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// Get all plugins. |
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$plugins = get_plugins(); |
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$_plugin = ''; |
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foreach ( $plugins as $plugin => $args ) { |
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if ( ! $is_plugin && isset( $args['Name'] ) && ( 'Kirki' === $args['Name'] || 'Kirki Toolkit' === $args['Name'] ) ) { |
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$is_plugin = true; |
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$_plugin = $plugin; |
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} |
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} |
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// No need to proceed any further if Kirki wasn't found in the list of plugins. |
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if ( ! $is_plugin ) { |
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return false; |
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} |
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// Make sure the is_plugins_loaded function is loaded. |
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include_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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// Extra logic in case the plugin is installed but not activated. |
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if ( $_plugin && ! is_plugin_active( $_plugin ) ) { |
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return false; |
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} |
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return $is_plugin; |
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} |
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/** |
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* Build the variables. |
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* |
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* @static |
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* @access public |
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* @since 3.0.9 |
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* @return array Formatted as array( 'variable-name' => value ). |
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*/ |
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public static function get_variables() { |
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$variables = array(); |
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// Loop through all fields. |
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foreach ( Kirki::$fields as $field ) { |
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// Check if we have variables for this field. |
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if ( isset( $field['variables'] ) && $field['variables'] && ! empty( $field['variables'] ) ) { |
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// Loop through the array of variables. |
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foreach ( $field['variables'] as $field_variable ) { |
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// Is the variable ['name'] defined? If yes, then we can proceed. |
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if ( isset( $field_variable['name'] ) ) { |
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// Sanitize the variable name. |
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$variable_name = esc_attr( $field_variable['name'] ); |
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// Do we have a callback function defined? If not then set $variable_callback to false. |
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$variable_callback = ( isset( $field_variable['callback'] ) && is_callable( $field_variable['callback'] ) ) ? $field_variable['callback'] : false; |
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// If we have a variable_callback defined then get the value of the option |
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// and run it through the callback function. |
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// If no callback is defined (false) then just get the value. |
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$variables[ $variable_name ] = Kirki_Values::get_value( $field['settings'] ); |
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if ( $variable_callback ) { |
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$variables[ $variable_name ] = call_user_func( $field_variable['callback'], Kirki_Values::get_value( $field['settings'] ) ); |
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} |
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} |
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} |
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} |
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} |
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// Pass the variables through a filter ('kirki/variable') and return the array of variables. |
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return apply_filters( 'kirki/variable', $variables ); |
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} |
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/** |
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* HTTP Request injection. |
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* |
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* @access public |
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* @since 3.0.0 |
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* @param array $request The request params. |
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* @param string $url The request URL. |
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* @return array |
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*/ |
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public function http_request( $request = array(), $url = '' ) { |
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// Early exit if installed as a plugin or not a request to wordpress.org, |
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// or finally if we don't have everything we need. |
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if ( |
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self::is_plugin() || |
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false === strpos( $url, 'wordpress.org' ) || ( |
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! isset( $request['body'] ) || |
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! isset( $request['body']['plugins'] ) || |
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! isset( $request['body']['translations'] ) || |
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! isset( $request['body']['locale'] ) || |
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! isset( $request['body']['all'] ) |
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) |
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) { |
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return $request; |
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} |
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$plugins = json_decode( $request['body']['plugins'], true ); |
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if ( ! isset( $plugins['plugins'] ) ) { |
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return $request; |
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} |
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$exists = false; |
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foreach ( $plugins['plugins'] as $plugin ) { |
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if ( isset( $plugin['Name'] ) && 'Kirki Toolkit' === $plugin['Name'] ) { |
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$exists = true; |
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} |
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} |
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// Inject data. |
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if ( ! $exists && defined( 'KIRKI_PLUGIN_FILE' ) ) { |
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$plugins['plugins']['kirki/kirki.php'] = get_plugin_data( KIRKI_PLUGIN_FILE ); |
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} |
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$request['body']['plugins'] = wp_json_encode( $plugins ); |
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return $request; |
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} |
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/** |
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* Checks the WP version and returns true if the version is >= 4.9, |
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* or false if the version is < 4.9. |
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* |
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* In WordPress 4.9 the colorpicker script changed so we are forced to use |
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* separate scripts depending on the WordPress version used. |
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* |
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* @static |
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* @access public |
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* @since 3.0.12 |
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* @return boolean |
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*/ |
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public static function is_colorpicker_script_new() { |
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global $wp_version; |
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if ( version_compare( $wp_version, '4.9-beta', '<' ) ) { |
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return false; |
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} |
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return true; |
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} |
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} |
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aristath /
kirki
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