- print_r: documentation ( source)
<?php
$order_ids = array(8,9,10,4,7);
$arr = [
[4, 23, 1],
[9, 66, 4],
[8, 17, 3],
];
foreach($order_ids as $id) {
foreach($arr as $record) {
if($record[0] == $id) {
$newArr[] = $record;
break;
}
}
}
print_r($newArr);