PHP 7.1.21 Released

ReflectionParameter::hasType

(PHP 7)

ReflectionParameter::hasTypeChecks if parameter has a type

说明

public bool ReflectionParameter::hasType ( void )

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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