ReflectionParameter::hasType

(PHP 7)

ReflectionParameter::hasType — Checks if parameter has a type

说明

public ReflectionParameter::hasType ( void ) : bool

Checks if the parameter has a type associated with it.

参数

此函数没有参数。

返回值

TRUE if a type is specified, FALSE otherwise.

范例

Example #1 ReflectionParameter::hasType() example

<?php
function someFunction(string $param, $param2 = null) {}

$reflectionFunc = new ReflectionFunction('someFunction');
$reflectionParams = $reflectionFunc->getParameters();

var_dump($reflectionParams[0]->hasType());
var_dump($reflectionParams[1]->hasType());

以上例程的输出类似于：

bool(true)
bool(false)

参见

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