Obtener parametro de una peticion POST
@param string $name
@return string
420132
public function post(string $name): string {
        if (!isset($this->post[$name])) {
            return "";
        }
        return $this->post[$name];
    }
323982
public function getValue($name)
    {
        if (! is_string($name)) {
            return null;
        }

        $bits = explode('.', $name);
        $postData = $_POST;

        foreach ($bits as $key) {
            if (is_array($postData) && isset($postData[$key])) {
                $postData = $postData[$key];
            } else {
                return null;
            }
        }

        return $postData;
    }
1307597
public function postTypeLabel( string $name = 'singular_name') {
		$obj = get_post_type_object( $this->postType() );
		
		return $obj->labels->$name ?? '';
	}
58289
public function getParameter($name)
    {
        $key = strtolower($name);

        if (isset($this->parameters[$key])) {
            return $this->parameters[$key];
        }

        return null;
    }
793729
public function getArgumentByName(string $name)
    {
        $param = self::$params[$this->className][$this->method];

        if (!isset($param[$name])) {
            return null;
        }

        return $this->arguments[$param[$name]['index']];
    }
345657
public function getPostParamValue($name, $ignoreCase = false)
    {
        if ($ignoreCase)
        {
            $name = strtolower($name);
            foreach ($this->postParams as $key => $value)
            {
                if (strtolower($key) === $name)
                {
                    return $value;
                }
            }
        }
        else
        {
            foreach ($this->postParams as $key => $value)
            {
                if ($key === $name)
                {
                    return $value;
                }
            }
        }
        return null;
    }
1031727
public function getParam($name)
        {
            $name = (string) $name;

            if (!array_key_exists($name, $this->_params)) {
                return null;
            }

            return $this->_params[$name];
        }
56442
public static function post(string $name)
    {
        return (isset($_POST[$name]) && $_POST[$name] != '') ? $_POST[$name] : '';
    }
695527
protected function getParam($name)
    {
        if (!isset($this->params[$name])) {
            throw new \InvalidArgumentException("Param is not valid: ".$name);
        }

        return $this->params[$name];
    }
806879
public function getParam($name, $default = null)
    {
        $params = $this->_context->params;
        return isset($params[$name]) ? $params[$name] : $default;
    }
468404
public function getPostParameter($name)
    {
        if (!$this->hasPostParameter($name)) {
            throw new \InvalidArgumentException(sprintf('The POST request parameter "%s" does not exist.', $name));
        }

        return $this->postParameters[rawurlencode($name)];
    }
133342
public function getPost(string $name = null)
    {
        if ($name === null) {
            return $this->post;
        }

        return $this->resolvePath($this->post, $name);
    }
921951
public function getParam($name)
    {
        if (isset($this->transaction[$name])) {
            return $this->transaction[$name];
        } else {
            return false;
        }
    }
776366
protected function getRequestContent($name)
    {
        if (!$stub = $this->getRequestStub($name)) {
            return '';
        }

        $namespace = $this->appNs.'\Http\Requests\\'.implode('\\', $this->sectionSegmentsStudly);

        return strtr($stub, array_merge($this->getCommonReplacements(), [
            '{{namespace}}' => $namespace,
        ]));
    }
853950
public function getParam($name)
    {
        $request = Registry::get(\OxidEsales\Eshop\Core\Request::class);

        return $request->getRequestEscapedParameter($name);
    }
442849
private function dumpParameter($name)
    {
        if ($this->container->isFrozen() && $this->container->hasParameter($name)) {
            return $this->dumpValue($this->container->getParameter($name), false);
        }

        return sprintf("\$this->getParameter('%s')", strtolower($name));
    }
1104891
public function getParameter($name)
    {
        foreach ($this->xmlRoot->parameter as $parameter) {
    		if ($method['name'] == $name) {
		        $moufRefParameter = new MoufXmlReflectionParameter($this, $parameter);
		        return $moufRefParameter;
    		}
    	}
    	return null;
    }