original_string: protected function lead3GP()
  	{
  		$lead = $this->ffprobeFormat("3gp");
  
  		if ($lead === true)
  		{
  			return $this->closeCase("3gp", "video/3gp", $this->metadata);
  		}
  
  		return null;
  	}
code: protected function lead3GP()
  	{
  		$lead = $this->ffprobeFormat("3gp");
  
  		if ($lead === true)
  		{
  			return $this->closeCase("3gp", "video/3gp", $this->metadata);
  		}
  
  		return null;
  	}
code_tokens: protected function lead3GP ( ) { $ lead = $ this -> ffprobeFormat ( "3gp" ) ; if ( $ lead === true ) { return $ this -> closeCase ( "3gp" , "video/3gp" , $ this -> metadata ) ; } return null ; }
docstring: Checks if the file is a 3GP.
  
  @return boolean|null
docstring_tokens: Checks if the file is a 3GP .