Php/docs/arrayobject.offsetexists
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ArrayObject::offsetExists
(PHP 5, PHP 7)
ArrayObject::offsetExists — Returns 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)