Job.php
public function remove($key = NULL)
    {
        $this->executeRemoveCommand();

        if( $key === NULL )
        {
            unlink($this->crontabCommands);
        }
        else
        {
            $this->removeJobFromExecFile($key);

            $this->executeCommand();
        }
    }
public function remove($key = NULL)
    {
        $this->executeRemoveCommand();

        if( $key === NULL )
        {
            unlink($this->crontabCommands);
        }
        else
        {
            $this->removeJobFromExecFile($key);

            $this->executeCommand();
        }
    }
public function remove ( $ key = NULL ) { $ this -> executeRemoveCommand ( ) ; if ( $ key === NULL ) { unlink ( $ this -> crontabCommands ) ; } else { $ this -> removeJobFromExecFile ( $ key ) ; $ this -> executeCommand ( ) ; } }
Remove cron job

@param string $key = NULL
Remove cron job