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Merged revisions 47807 via svnmerge from

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svn://svn.silverstripe.com/silverstripe/modules/sapphire/branches/2.2.0-mesq

........
  r47807 | ischommer | 2008-01-10 14:07:06 +1300 (Thu, 10 Jan 2008) | 1 line
  
  added is_associative()
........


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@47810 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2008-01-10 02:15:06 +00:00
parent f2d38ee016
commit baefbd1b96
1 changed files with 17 additions and 0 deletions
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17
core/ArrayLib.php
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@ -67,6 +67,23 @@ class ArrayLib extends Object {
return $arr;
}
/**
* Determines if an array is associative by checking
* for existing keys via array_key_exists().
* @see http://nz.php.net/manual/en/function.is-array.php#76188
*
* @param array $arr
* @return boolean
*/
static function is_associative($arr) {
if(is_array($arr) && ! empty($arr)) {
for($iterator = count($arr) - 1; $iterator; $iterator--) {
if (!array_key_exists($iterator, $arr)) return true;
}
return !array_key_exists(0, $arr);
}
return false;
}
}
?>