modified file plugins

wp-content/upgrade-temp-backup/plugins/w3-total-cache/Extensions_Util.php

@@ -0,0 +1,170 @@
+<?php
+/**
+ * File: Extensions_Util.php
+ *
+ * @package W3TC
+ */
+
+namespace W3TC;
+
+/**
+ * Class: Extensions_Util
+ */
+class Extensions_Util {
+	/**
+	 * Get registered extensions
+	 *
+	 * @static
+	 *
+	 * @param Config $config Configuration object.
+	 * @return array
+	 */
+	public static function get_extensions( $config ) {
+		return apply_filters( 'w3tc_extensions', __return_empty_array(), $config );
+	}
+
+	/**
+	 * Get registered extension
+	 *
+	 * @static
+	 *
+	 * @param Config $config Configuration object.
+	 * @param string $extension Extension.
+	 * @return array
+	 */
+	public static function get_extension( $config, $extension ) {
+		$exts = self::get_extensions( $config );
+
+		if ( ! isset( $exts[ $extension ] ) ) {
+			return null;
+		}
+
+		return $exts[ $extension ];
+	}
+
+	/**
+	 * Returns the inactive extensions
+	 *
+	 * @static
+	 *
+	 * @param Config $config Configuration object.
+	 * @return array
+	 */
+	public static function get_inactive_extensions( $config ) {
+		$extensions        = self::get_extensions( $config );
+		$config            = Dispatcher::config();
+		$active_extensions = $config->get_array( 'extensions.active' );
+
+		return array_diff_key( $extensions, $active_extensions );
+	}
+
+	/**
+	 * Returns the active extensions.
+	 *
+	 * @static
+	 *
+	 * @param Config $config Configuration object.
+	 * @return array
+	 */
+	public static function get_active_extensions( $config ) {
+		$extensions        = self::get_extensions( $config );
+		$extensions_keys   = array_keys( $extensions );
+		$config            = Dispatcher::config();
+		$active_extensions = $config->get_array( 'extensions.active' );
+
+		return array_intersect_key( $extensions, $active_extensions );
+	}
+
+	/**
+	 * Activate extension.
+	 *
+	 * @static
+	 *
+	 * @param string $extension        Extension.
+	 * @param Config $w3_config        Configuration object.
+	 * @param bool   $dont_save_config Whether or not to save configuration.  Default: false.
+	 * @return bool
+	 */
+	public static function activate_extension( $extension, $w3_config, $dont_save_config = false ) {
+		$all_extensions = self::get_extensions( $w3_config );
+		$extensions     = $w3_config->get_array( 'extensions.active' );
+
+		if ( ! $w3_config->is_extension_active( $extension ) ) {
+			$meta = $all_extensions[ $extension ];
+
+			$filename = W3TC_EXTENSION_DIR . '/' . trim( $meta['path'], '/' );
+
+			if ( ! file_exists( $filename ) ) {
+				return false;
+			}
+
+			include $filename;
+
+			$extensions[ $extension ] = $meta['path'];
+
+			ksort( $extensions, SORT_STRING );
+
+			$w3_config->set( 'extensions.active', $extensions );
+
+			// if extensions doesnt want to control frontend activity - activate it there too.
+			if ( ! isset( $meta['active_frontend_own_control'] ) || ! $meta['active_frontend_own_control'] ) {
+				$w3_config->set_extension_active_frontend( $extension, true );
+			}
+
+			try {
+				if ( ! $dont_save_config ) {
+					$w3_config->save();
+				}
+
+				// Set transient for displaying activation notice.
+				set_transient( 'w3tc_activation_' . $extension, true, DAY_IN_SECONDS );
+
+				return true;
+			} catch ( \Exception $ex ) {
+				return false;
+			}
+		}
+
+		return false;
+	}
+
+
+	/**
+	 * Deactivate extension.
+	 *
+	 * @static
+	 *
+	 * @param string $extension        Extension.
+	 * @param Config $config           Configuration object.
+	 * @param bool   $dont_save_config Whether or not to save configuration.  Default: false.
+	 * @return bool
+	 */
+	public static function deactivate_extension( $extension, $config, $dont_save_config = false ) {
+		$extensions = $config->get_array( 'extensions.active' );
+
+		if ( array_key_exists( $extension, $extensions ) ) {
+			unset( $extensions[ $extension ] );
+			ksort( $extensions, SORT_STRING );
+			$config->set( 'extensions.active', $extensions );
+		}
+
+		$config->set_extension_active_frontend( $extension, false );
+
+		try {
+			if ( ! $dont_save_config ) {
+				$config->save();
+			}
+
+			// Delete transient for displaying activation notice.
+			delete_transient( 'w3tc_activation_' . $extension );
+
+			do_action( 'w3tc_deactivate_extension_' . $extension );
+
+			return true;
+		} catch ( \Exception $ex ) {
+			return false;
+		}
+
+		return false;
+	}
+}