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WeakMap::offsetExists

(PHP 8)

WeakMap::offsetExists — Checks whether a certain object is in the map

Description

public WeakMap::offsetExists(object $object): bool

Checks whether the passed object is referenced in the map.

Parameters

object

Object to check for.

Return Values

Returns true if the object is contained in the map, false otherwise.

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https://www.php.net/manual/en/weakmap.offsetexists.php