Checks if passed by reference

# ReflectionParameter::isPassedByReference

(PHP 5, PHP 7, PHP 8)

ReflectionParameter::isPassedByReference — Checks if passed by reference

### 说明

public function ReflectionParameter::isPassedByReference(): bool

Checks if the parameter is passed in by reference.

### 参数

此函数没有参数。

### 返回值

`true` if the parameter is passed in by reference, otherwise `false`

### 参见

- ReflectionParameter::getName() - Gets parameter name

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