note 41969 added to function.array-search

From: Date: Tue, 27 Apr 2004 23:49:23 +0000
Subject: note 41969 added to function.array-search
Groups: php.notes 
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<?php /** recursively descend an arbitrarily deep multidimensional array, stopping at the first occurence of scalar $needle. return the path to $needle as an array (list) of keys if not found, return null. (will infinitely recurse on self-referential structures) */ function array_search_recursive( $needle, $haystack ) { $path = NULL; $keys = array_keys($haystack); while (!$path && (list($toss,$k)=each($keys))) { $v = $haystack[$k]; if (is_scalar($v)) { if ($v===$needle) { $path = array($k); } } elseif (is_array($v)) { if ($path=array_search_recursive( $needle, $v )) { array_unshift($path,$k); } } } return $path; } ?> code till dawn! -mark meves ---- Manual Page -- http://www.php.net/manual/en/function.array-search.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+41969 Delete -- http://master.php.net/manage/user-notes.php?action=delete+41969&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+41969&report=yes Search -- http://master.php.net/manage/user-notes.php

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