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<?php
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namespace Rarst\Fragment_Cache;
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use Pimple\Container;
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/**
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* Main plugin's class.
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*/
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class Plugin extends Container {
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/** @var array $handlers Set of registered fragment handlers. */
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protected $handlers = array();
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/**
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* Start the plugin after initial setup.
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*/
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public function run() {
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add_action( 'init', array( $this, 'init' ) );
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add_filter( 'update_blocker_blocked', array( $this, 'update_blocker_blocked' ) );
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}
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/**
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* Enable registered fragment handlers on init.
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*/
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public function init() {
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if (
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'on' === filter_input( INPUT_POST, 'wp_customize' )
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&& empty( filter_input( INPUT_POST, 'action' ) )
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&& current_user_can( 'customize' )
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) {
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return; // We don’t want cache running in Customizer previews.
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}
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foreach ( $this->handlers as $key => $type ) {
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if ( isset( $this[ $type ] ) ) {
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/** @var Fragment_Cache $handler */
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$handler = $this[ $type ];
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$handler->enable();
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} else {
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unset( $this->handlers[ $key ] );
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}
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}
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}
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/**
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* @see https://github.com/Rarst/update-blocker
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*
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* @param array $blocked Configuration data for blocked items.
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*
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* @return array
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*/
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public function update_blocker_blocked( $blocked ) {
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$blocked['plugins'][] = plugin_basename( dirname( __DIR__ ) . '/fragment-cache.php' );
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return $blocked;
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}
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/**
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* Add (or override) cache handler and enable it.
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*
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* @param string $type Handler type name.
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* @param string $class_name Handler class name to instance.
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*/
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public function add_fragment_handler( $type, $class_name ) {
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if ( isset( $this[ $type ] ) ) {
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/** @var Fragment_Cache $handler */
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$handler = $this[ $type ];
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$handler->disable();
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unset( $this[ $type ] );
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}
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$this[ $type ] = function ( $plugin ) use ( $type, $class_name ) {
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return new $class_name( array( 'type' => $type, 'timeout' => $plugin['timeout'] ) );
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};
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if ( ! in_array( $type, $this->handlers, true ) ) {
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$this->handlers[] = $type;
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}
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}
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}
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Rarst /
fragment-cache
