first commit

wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/wp/classes/Cache.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace WPML\LIB\WP;
+
+use WPML\Collect\Support\Traits\Macroable;
+use WPML\FP\Fns;
+use WPML\FP\Maybe;
+use function WPML\FP\curryN;
+
+/**
+ * Class Cache
+ * @package WPML\LIB\WP
+ * @method static callable|mixed memorize( ...$group, ...$fn ) :: string → callable → mixed
+ * @method static callable|mixed memorizeWithCheck( ...$group, ...$checkingFn, ...$fn ) :: string → callable → callable → mixed
+ * @method static callable|bool set( ...$group, ...$key, ...$value ) :: string → string → mixed → bool
+ * @method static callable|Maybe get( ...$group, ...$key ) :: string → string → Nothing | Just( mixed )
+ */
+class Cache {
+
+	use Macroable;
+
+	/**
+	 * @return void
+	 */
+	public static function init() {
+		self::macro( 'get', curryN( 2, [ self::class, 'getInternal' ] ) );
+		self::macro( 'set', curryN( 3, [ self::class, 'setInternal' ] ) );
+
+		self::macro( 'memorizeWithCheck', curryN( 3, function ( $group, $checkingFn, $fn ) {
+			return function () use ( $fn, $group, $checkingFn ) {
+				$args = func_get_args();
+				$key  = serialize( $args );
+
+				$result = Cache::get( $group, $key );
+				if ( Fns::isNothing( $result ) || ! $checkingFn( $result->get() ) ) {
+					$result = call_user_func_array( $fn, $args );
+					Cache::set( $group, $key, $result );
+
+					return $result;
+				}
+				return $result->get();
+			};
+		} ) );
+
+		self::macro( 'memorize', self::memorizeWithCheck( Fns::__, Fns::always( true ), Fns::__ ) );
+
+	}
+
+	/**
+	 * @param string $group
+	 * @param string $key
+	 *
+	 * @return \WPML\FP\Just|\WPML\FP\Nothing
+	 */
+	public static function getInternal( $group, $key ) {
+		$found  = false;
+		$result = wp_cache_get( $key, $group, false, $found );
+
+		if( $found && is_array( $result ) && array_key_exists( 'data', $result ) ) {
+			return  Maybe::just( $result['data'] );
+		}
+
+		return Maybe::nothing();
+	}
+
+	/**
+	 * @param string $group
+	 * @param string $key
+	 * @param mixed  $value
+	 *
+	 * @return bool|true
+	 */
+	public static function setInternal( $group, $key, $value ) {
+		// Save $value in an array. We need to do this because W3TC and Redis have bug with saving null.
+		return wp_cache_set( $key, [ 'data' => $value ], $group );
+	}
+
+}
+
+Cache::init();