<?php
$a = 'a/b/c';
$c = substr_count($a, '/');
$d = ('[' . str_replace('/', ':[', $a) .':['.str_repeat(']', $c+1));
var_dump($d);
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- string(13) "[a:[b:[c:[]]]"
preferences:
253.9 ms | 403 KiB | 287 Q