protected static function checkRequirements()
    {
        if (self::$enabledPharData === null || self::$enabledPearTar === null) {
            self::$enabledPearTar = class_exists('\Archive_Tar');
            self::$enabledPharData = class_exists('\PharData');
        }
    }
protected static function checkRequirements()
    {
        if (self::$enabledPharData === null || self::$enabledPearTar === null) {
            self::$enabledPearTar = class_exists('\Archive_Tar');
            self::$enabledPharData = class_exists('\PharData');
        }
    }
protected static function checkRequirements ( ) { if ( self :: $ enabledPharData === null || self :: $ enabledPearTar === null ) { self :: $ enabledPearTar = class_exists ( '\Archive_Tar' ) ; self :: $ enabledPharData = class_exists ( '\PharData' ) ; } }
Checks system configuration for available Tar-manipulation libraries
Checks system configuration for available Tar - manipulation libraries