PHP 8.1.0 Released!

ReflectionParameter::isArray

(PHP 5 >= 5.1.2, PHP 7, PHP 8)

ReflectionParameter::isArrayChecks 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));
}
?>

参见

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