- print_r: documentation ( source)
- str_replace: documentation ( source)
- date: documentation ( source)
- strtotime: documentation ( source)
<?php
$arr = [["id" => 100, "data" => "21-11-2013"]];
$arr = [["id" => 100, "data" => "21AAA111"]];
foreach($arr as $k => &$e) {
$val = strtotime($e["data"]) ? strtotime($e["data"]) : strtotime(str_replace("/", "-", $e["data"]));
$e["data"] = date("m/d/y", $val);
if (!$val) unset($arr[$k]);
}
print_r($arr);