Bootstrap/WorkerBootstrapProfile.php
public function getPrecompiledScriptWithExpression($expression, $socketAddress = null)
    {
        $expression = self::combineExpressionWithSocketAddress($expression, $socketAddress);

        return isset($this->precompiledScripts[$expression]) ? $this->precompiledScripts[$expression] : null;
    }
public function getPrecompiledScriptWithExpression($expression, $socketAddress = null)
    {
        $expression = self::combineExpressionWithSocketAddress($expression, $socketAddress);

        return isset($this->precompiledScripts[$expression]) ? $this->precompiledScripts[$expression] : null;
    }
@param string      $expression
@param string|null $socketAddress

@return string|null