- var_export: documentation ( source)
- array_values: documentation ( source)
<?php
$array = [
['user_id' => 82, 'ac_type' => 1],
['user_id' => 80, 'ac_type' => 5],
['user_id' => 76, 'ac_type' => 1],
['user_id' => 82, 'ac_type' => 2],
['user_id' => 80, 'ac_type' => 5]
];
foreach ($array as $a) {
if (!isset($result[$a['user_id']])) {
$result[$a['user_id']] = $a; // only store if first occurrence of user_id
}
}
var_export(array_values($result)); // re-index and print