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<?php |
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/** |
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* The Kirki autoloader. |
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* Handles locating and loading other class-files. |
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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 1.0 |
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*/ |
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/** |
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* Autoloader class. |
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* |
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* @since 3.0.10 |
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*/ |
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class Kirki_Autoload { |
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/** |
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* The transient name. |
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* |
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* @access private |
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* @since 3.0.10 |
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* @var string |
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*/ |
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private $transient_name = 'kirki_autoload_paths'; |
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/** |
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* Cached paths. |
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* |
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* @access private |
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* @since 3.0.10 |
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* @var array |
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*/ |
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private $cached_paths = array(); |
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/** |
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* Class constructor. |
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* |
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* @access public |
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* @since 3.0.10 |
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*/ |
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public function __construct() { |
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$this->cached_paths = get_transient( $this->transient_name ); |
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spl_autoload_register( array( $this, 'autoload' ) ); |
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} |
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/** |
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* The Kirki class autoloader. |
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* Finds the path to a class that we're requiring and includes the file. |
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* |
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* @access protected |
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* @since 3.0.10 |
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* @param string $class_name The name of the class we're trying to load. |
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*/ |
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protected function autoload( $class_name ) { |
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// Not a Kirki file, early exit. |
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if ( 0 !== stripos( $class_name, 'Kirki' ) ) { |
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return; |
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} |
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// Check if we've got it cached and ready. |
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if ( isset( $this->cached_paths[ $class_name ] ) && file_exists( $this->cached_paths[ $class_name ] ) ) { |
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include_once $this->cached_paths[ $class_name ]; |
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return; |
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} |
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$paths = $this->get_paths( $class_name ); |
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foreach ( $paths as $path ) { |
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$path = wp_normalize_path( $path ); |
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if ( file_exists( $path ) ) { |
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$this->cached_paths[ $class_name ] = $path; |
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include_once $path; |
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return; |
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} |
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} |
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set_transient( $this->transient_name, $this->cached_paths, 5 * MINUTE_IN_SECONDS ); |
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} |
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/** |
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* Get an array of possible paths for the file. |
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* |
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* @access protected |
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* @since 3.0.10 |
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* @param string $class_name The name of the class we're trying to load. |
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* @return array |
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*/ |
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protected function get_paths( $class_name ) { |
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$paths = array(); |
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// Build the filename. |
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$filename = 'class-' . strtolower( str_replace( '_', '-', $class_name ) ) . '.php'; |
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// Break class-name is parts. |
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$name_parts = explode( '_', str_replace( 'Kirki_', '', $class_name ) ); |
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// Handle modules loading. |
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if ( isset( $name_parts[0] ) && 'Modules' === $name_parts[0] ) { |
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$path = dirname( __FILE__ ) . '/modules/'; |
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$path .= strtolower( str_replace( '_', '-', str_replace( 'Kirki_Modules_', '', $class_name ) ) ) . '/'; |
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$paths[] = $path . $filename; |
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} |
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$paths[] = dirname( __FILE__ ) . '/core/' . $filename; |
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$paths[] = dirname( __FILE__ ) . '/lib/' . $filename; |
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$substr = str_replace( 'Kirki_', '', $class_name ); |
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$exploded = explode( '_', $substr ); |
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$levels = count( $exploded ); |
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$previous_path = ''; |
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for ( $i = 0; $i < $levels; $i++ ) { |
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$paths[] = dirname( __FILE__ ) . '/' . $previous_path . strtolower( $exploded[ $i ] ) . '/' . $filename; |
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$previous_path .= strtolower( $exploded[ $i ] ) . '/'; |
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} |
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return $paths; |
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} |
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} |
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aristath /
kirki
