Search in multiple arrays
This function traverse an multidimensional array recursively. You know the key and what level.
<?php
function array_search_in_level($needle, $haystack, $key, &$result, $searchlevel = 0) {
while(is_array($haystack) && isset($haystack[key($haystack)])) {
if($searchlevel == 0 && key($haystack) == $key && $haystack[$key] == $needle) {
$result = TRUE;
} elseif($searchlevel > 0) {
array_search_in_level($needle, $haystack[key($haystack)], $key, $result, $searchlevel - 1);
}
next($haystack);
}
}
?>