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<?php |
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defined( 'WPINC' ) || die; |
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class GL_BlackBar_Activate |
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{ |
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const BASENAME = 'blackbar.php'; |
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const MIN_PHP_VERSION = '5.6.0'; |
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const MIN_WORDPRESS_VERSION = '4.0.0'; |
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/** |
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* @var static |
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*/ |
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protected static $instance; |
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/** |
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* @return bool |
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*/ |
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public static function isValid() |
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{ |
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return static::isPhpValid() && static::isWpValid(); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function isPhpValid() |
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{ |
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return !version_compare( PHP_VERSION, static::MIN_PHP_VERSION, '<' ); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function isWpValid() |
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{ |
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global $wp_version; |
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return !version_compare( $wp_version, static::MIN_WORDPRESS_VERSION, '<' ); |
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} |
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/** |
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* @return bool |
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*/ |
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public static function shouldDeactivate() |
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{ |
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if( empty( static::$instance )) { |
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static::$instance = new static; |
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} |
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if( !static::isValid() ) { |
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add_action( 'activated_plugin', array( static::$instance, 'deactivate' )); |
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add_action( 'admin_notices', array( static::$instance, 'deactivate' )); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return void |
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*/ |
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public function deactivate( $plugin ) |
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{ |
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if( static::isValid() )return; |
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$pluginName = plugin_basename( dirname( realpath( __FILE__ )).'/'.static::BASENAME ); |
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if( $plugin == $pluginName ) { |
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$this->redirect(); //exit |
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} |
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deactivate_plugins( $pluginName ); |
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$this->printNotice(); |
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} |
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/** |
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* @return void |
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*/ |
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protected function redirect() |
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{ |
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wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s', |
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filter_input( INPUT_GET, 'plugin_status' ), |
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filter_input( INPUT_GET, 'paged' ), |
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filter_input( INPUT_GET, 's' ) |
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))); |
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exit; |
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} |
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/** |
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* @return void |
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*/ |
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protected function printNotice() |
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{ |
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$noticeTemplate = '<div id="message" class="notice notice-error error is-dismissible"><p><strong>%s</strong></p><p>%s</p><p>%s</p></div>'; |
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$messages = array( |
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__( 'The BlackBar plugin was deactivated.', 'blackbar' ), |
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__( 'Sorry, this plugin requires %s or greater in order to work properly.', 'blackbar' ), |
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__( 'Please contact your hosting provider or server administrator to upgrade the version of PHP on your server (your server is running PHP version %s), or try to find an alternative plugin.', 'blackbar' ), |
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__( 'PHP version', 'blackbar' ).' '.static::MIN_PHP_VERSION, |
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__( 'WordPress version', 'blackbar' ).' '.static::MIN_WORDPRESS_VERSION, |
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__( 'Update WordPress', 'blackbar' ), |
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); |
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if( !static::isPhpValid() ) { |
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printf( $noticeTemplate, |
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$messages[0], |
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sprintf( $messages[1], $messages[3] ), |
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sprintf( $messages[2], PHP_VERSION ) |
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); |
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} |
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else if( !static::isWpValid() ) { |
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printf( $noticeTemplate, |
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$messages[0], |
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sprintf( $messages[1], $messages[4] ), |
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sprintf( '<a href="%s">%s</a>', admin_url( 'update-core.php' ), $messages[5] ) |
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); |
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} |
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112
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} |
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113
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} |
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pryley /
blackbar
In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.