ArrayObject::offsetExists

(PHP 5, PHP 7)

ArrayObject::offsetExistsReturns whether the requested index exists


Description

public ArrayObject::offsetExists ( mixed $index ) : bool

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)