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ReflectionParameter::isArray

PHP function Deprecated as of PHP 8.0.0 Edit on GitHub ✎

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

Checks if parameter expects an array

Function-8-0-0 See the example below for an alternative way to derive this information.

Description

ReflectionParameter::isArray(): bool

Checks if the parameter expects an array.

Parameters Parameters

Return Values

true if an array is expected, false otherwise.

Changelog

VersionDescription
8.0.0This function has been deprecated in favor of ReflectionParameter::getType instead.

Examples

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
<?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));
}
?>

See Also

  • ReflectionParameter::isOptional

Source: reference/reflection/reflectionparameter/isarray.xml · from the official PHP manual (php/doc-en)