src/Whoops/Handler/PlainTextHandler.php
public function addTraceToOutput($addTraceToOutput = null)
    {
        if (func_num_args() == 0) {
            return $this->addTraceToOutput;
        }

        $this->addTraceToOutput = (bool) $addTraceToOutput;
        return $this;
    }
public function addTraceToOutput($addTraceToOutput = null)
    {
        if (func_num_args() == 0) {
            return $this->addTraceToOutput;
        }

        $this->addTraceToOutput = (bool) $addTraceToOutput;
        return $this;
    }
public function addTraceToOutput ( $ addTraceToOutput = null ) { if ( func_num_args ( ) == 0 ) { return $ this -> addTraceToOutput ; } $ this -> addTraceToOutput = ( bool ) $ addTraceToOutput ; return $ this ; }
Add error trace to output.
@param  bool|null  $addTraceToOutput
@return bool|$this
Add error trace to output .