isPassedByReference() public method

Returns whether this parameter is passed by reference
public isPassedByReference ( ) : boolean
return boolean `true` if passed by reference and `false` if not
 public function testByReference()
 {
     $param = new PhpParameter();
     $this->assertFalse($param->isPassedByReference());
     $param->setPassedByReference(true);
     $this->assertTrue($param->isPassedByReference());
     $param->setPassedByReference(false);
     $this->assertFalse($param->isPassedByReference());
 }