ReflectionParameter::isArray
(PHP 5 >= 5.1.2, PHP 7, PHP 8)
ReflectionParameter::isArray — Checks if parameter expects an array
警告
本函数已自 PHP 8.0.0 起被废弃。强烈建议不要依赖本函数。
See the example below for an alternative way to derive this information.
说明
public ReflectionParameter::isArray(): bool
Checks if the parameter expects an array.
参数
此函数没有参数。
返回值
true if an array is expected, false otherwise.
范例
示例 #1 PHP 8.0.0 equivalent
As of PHP 8.0.0, the following code will report if a type declares arrays, including as part of a union.
<?php
function declaresArray(ReflectionParameter $reflectionParameter): bool
{
$reflectionType = $reflectionParameter->getType();
if (!$reflectionType) return false;
$types = $reflectionType instanceof ReflectionUnionType
? $reflectionType->getTypes()
: [$reflectionType];
return in_array('array', array_map(fn(ReflectionNamedType $t) => $t->getName(), $types));
}
?>
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