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PHP Manual :: ArrayObject::offsetExists



ArrayObject::natsort || ArrayObject::offsetGet || ArrayObject || PHP Manual

(PHP 5 >= 5.0.0, PHP 7)

ArrayObject::offsetExistsReturns 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 || ArrayObject || PHP Manual
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