SqlParser\Context::setMode PHP Method

    public static function setMode($mode = '')
    {
        static::$MODE = 0;
        if (empty($mode)) {
            return;
        }
        $mode = explode(',', $mode);
        foreach ($mode as $m) {
            static::$MODE |= constant('static::' . $m);
        }
    }

 public function testEscape()
 {
     Context::setMode('ANSI_QUOTES');
     $this->assertEquals('"test"', Context::escape('test'));
     Context::setMode();
     $this->assertEquals('`test`', Context::escape('test'));
     $this->assertEquals(array('`a`', '`b`'), Context::escape(array('a', 'b')));
 }