Initial commit

wordpress_plugins/query-monitor/classes/Plugin.php

@@ -0,0 +1,111 @@
+<?php
+/**
+ * Abstract plugin wrapper.
+ *
+ * @package query-monitor
+ */
+
+if ( ! class_exists( 'QM_Plugin' ) ) {
+abstract class QM_Plugin {
+
+	private $plugin = array();
+	public static $minimum_php_version = '5.3.6';
+
+	/**
+	 * Class constructor
+	 */
+	protected function __construct( $file ) {
+		$this->file = $file;
+	}
+
+	/**
+	 * Returns the URL for for a file/dir within this plugin.
+	 *
+	 * @param string $file The path within this plugin, e.g. '/js/clever-fx.js'
+	 * @return string URL
+	 */
+	final public function plugin_url( $file = '' ) {
+		return $this->_plugin( 'url', $file );
+	}
+
+	/**
+	 * Returns the filesystem path for a file/dir within this plugin.
+	 *
+	 * @param string $file The path within this plugin, e.g. '/js/clever-fx.js'
+	 * @return string Filesystem path
+	 */
+	final public function plugin_path( $file = '' ) {
+		return $this->_plugin( 'path', $file );
+	}
+
+	/**
+	 * Returns a version number for the given plugin file.
+	 *
+	 * @param string $file The path within this plugin, e.g. '/js/clever-fx.js'
+	 * @return string Version
+	 */
+	final public function plugin_ver( $file ) {
+		return filemtime( $this->plugin_path( $file ) );
+	}
+
+	/**
+	 * Returns the current plugin's basename, eg. 'my_plugin/my_plugin.php'.
+	 *
+	 * @return string Basename
+	 */
+	final public function plugin_base() {
+		return $this->_plugin( 'base' );
+	}
+
+	/**
+	 * Populates and returns the current plugin info.
+	 */
+	final private function _plugin( $item, $file = '' ) {
+		if ( ! array_key_exists( $item, $this->plugin ) ) {
+			switch ( $item ) {
+				case 'url':
+					$this->plugin[ $item ] = plugin_dir_url( $this->file );
+					break;
+				case 'path':
+					$this->plugin[ $item ] = plugin_dir_path( $this->file );
+					break;
+				case 'base':
+					$this->plugin[ $item ] = plugin_basename( $this->file );
+					break;
+			}
+		}
+		return $this->plugin[ $item ] . ltrim( $file, '/' );
+	}
+
+	public static function php_version_met() {
+		static $met = null;
+
+		if ( null === $met ) {
+			$met = version_compare( PHP_VERSION, self::$minimum_php_version, '>=' );
+		}
+
+		return $met;
+	}
+
+	public static function php_version_nope() {
+		printf(
+			'<div id="qm-php-nope" class="notice notice-error is-dismissible"><p>%s</p></div>',
+			wp_kses(
+				sprintf(
+					/* translators: 1: Required PHP version number, 2: Current PHP version number, 3: URL of PHP update help page */
+					__( 'The Query Monitor plugin requires PHP version %1$s or higher. This site is running PHP version %2$s. <a href="%3$s">Learn about updating PHP</a>.', 'query-monitor' ),
+					self::$minimum_php_version,
+					PHP_VERSION,
+					'https://wordpress.org/support/update-php/'
+				),
+				array(
+					'a' => array(
+						'href' => array(),
+					),
+				)
+			)
+		);
+	}
+
+}
+}