ArrayObject::offsetExists

(PHP 5 >= 5.0.0, PHP 7)

ArrayObject::offsetExists — Returns whether the requested index exists

Descrierea

public bool ArrayObject::offsetExists ( mixed $index )

Parametri

index: The index being checked.

Valorile întoarse

TRUE if the requested index exists, otherwise FALSE

Exemple

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'));
?>

Exemplul de mai sus va afișa:

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