- var_dump: documentation ( source)
- array_chunk: documentation ( source)
- explode: documentation ( source)
- preg_replace: documentation ( source)
<?php
$controls = "(1,033,00:05,2,092,00:19,3,100,00:28)";
$controls = preg_replace('/\(|\)/','', $controls);
$controls_array = explode(",", $controls);
$chunkedArray = array_chunk($controls_array, 3);
var_dump($chunkedArray);