note 41896 modified in function.array-flip by vrana
| From: | vrana@php.net | Date: | Tue, 17 Aug 2004 13:58:14 +0000 |
| Subject: | note 41896 modified in function.array-flip by vrana | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-79759@lists.php.net to get a copy of this message | ||
An easy way to check if array contains duplicated values:
<?php
if ($myArray != array_flip(array_flip($myArray)))
// $myArray contains duplicated values
else
// each value in $myArray is unique
?>
To remove duplicates do simply:
<?php
$myArray = array_flip(array_flip($myArray));
?>
Good Luck.
--was--
An easy way to check if array contains duplicated values:
if ($myArray != array_flip(array_flip($myArray)))
// $myArray contains duplicated values
else
// each value in $myArray is unique
To remove duplicates do simply:
$myArray = array_flip(array_flip($myArray));
Good Luck.
http://php.net/manual/en/function.array-flip.php