在VisualStudio代码中为自定义函数提供参数建议-ParametersuggestionforcustomfunctionsinVisualStudioCode

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As of right now this is not possible natively. Even the popular PHP IntelliSense extension does not support this.

就目前而言，这是不可能的。甚至流行的PHP智能感知扩展也不支持这一点。

Edit: It seems that the PHP IntelliSense extension has now been updated to support Signature help as well:

编辑:PHP IntelliSense扩展现在似乎也被更新来支持签名帮助:

I have recently discovered an extension called PHP Intelephense which can do exactly this.

我最近发现了一个名为PHP inelephant的扩展，它可以做到这一点。

You can even utilize Type Declarations and PHP 7 Return Type Declaration to empower it even more:

您甚至可以使用类型声明和PHP 7返回类型声明来赋予它更多的权限:

The best result is when all type declarations are combined with a DocString, which allows you to write descriptions of parameters. I use the PHP DocBlocker extension to write these, but you could use another, or write them manually.

最好的结果是当所有类型声明都与DocString合并时，DocString允许您编写参数描述。我使用PHP DocBlocker扩展来编写它们，但是您可以使用另一个，或者手工编写它们。