ArrayObject::offsetExists

(PHP 5 >= 5.0.0)

ArrayObject::offsetExists — Returns whether the requested index exists

설명

public bool ArrayObject::offsetExists ( mixed $index )

인수

index: The index being checked.

반환값

TRUE if the requested index exists, otherwise FALSE

예제

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'));
?>

위 예제의 출력:

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