问PHP在多维/嵌套数组中查找值

EN

function multi_in_array($needle, $haystack, $key) {
    foreach ($haystack as $h) {
        if (array_key_exists($key, $h) && $h[$key]==$needle) {
            return true;
        }
    }
    return false;
}

if (multi_in_array($meetID, $meetingArray, 'Meet_Name')) {
    //...
}

function valInArr($array, $field, $value) {
 foreach ($array as $id => $nestedArray) {
  if (strpos($value,$nestedArray[$field])) return $id;
  //if ($nestedArray[$field] === $value) return $id; // use this line if you want the values to be identical
 }
 return false;
}

$meetID = 1234;
$x = valInArr($array, "Meet_Name", $meetID);
if ($x) print_r($array[$x]);

function array_search_recursive($needle, $haystack, $strict=false, $stack=array()) {
    $results = array();
    foreach($haystack as $key=>$value) {
        if(($strict && $needle === $value) || (!$strict && $needle == $value)) {
            $results[] = array_merge($stack, array($key));
        }

        if(is_array($value) && count($value) != 0) {
            $results = array_merge($results, array_search_recursive($needle, $value, $strict, array_merge($stack, array($key))));
        }
    }
    return($results);
}