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ArrayObject::offsetExists

ArrayObject::offsetExists

(PHP 5 >= 5.0.0, PHP 7)

ArrayObject::offsetExists — Returns whether the requested index exists

Description

public bool ArrayObject::offsetExists ( mixed $index )

Parameters

index

The index being checked.

Return Values

TRUE if the requested index exists, otherwise FALSE

Examples

Example #1 ArrayObject::offsetExists() example

<?php $arrayobj = new ArrayObject(array('zero', 'one', 'example'=>'e.g.') var_dump($arrayobj->offsetExists(1) var_dump($arrayobj->offsetExists('example') var_dump($arrayobj->offsetExists('notfound') ?>

The above example will output:

bool(true) bool(true) bool(false)

← ArrayObject::natsort

ArrayObject::offsetGet →

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https://secure.php.net/manual/en/arrayobject.offsetexists.php