original_string: protected function leadWAV()
  	{
  		$lead = $this->ffprobeFormat("wav");
  
  		if ($lead === true)
  		{
  			return $this->closeCase("wav", "audio/wave", $this->metadata);
  		}
  
  		return null;
  	}
code: protected function leadWAV()
  	{
  		$lead = $this->ffprobeFormat("wav");
  
  		if ($lead === true)
  		{
  			return $this->closeCase("wav", "audio/wave", $this->metadata);
  		}
  
  		return null;
  	}
code_tokens: protected function leadWAV ( ) { $ lead = $ this -> ffprobeFormat ( "wav" ) ; if ( $ lead === true ) { return $ this -> closeCase ( "wav" , "audio/wave" , $ this -> metadata ) ; } return null ; }
docstring: Checks if the file is a WAV
  
  @return boolean|null
docstring_tokens: Checks if the file is a WAV