SymfonyWorld Online 2022 Winter Edition

ReflectionParameter::canBePassedByValue

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

ReflectionParameter::canBePassedByValueReturns whether this parameter can be passed by value

说明

public ReflectionParameter::canBePassedByValue(): bool

参数

此函数没有参数。

返回值

Returns true if the parameter can be passed by value, false otherwise. Returns null in case of an error.

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