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@ 2018-08-11T10:38:36Z

<?php

$qryStr = 'type[0]=1&type[1]=2';
$result = preg_replace('/\[(\d+)\]/', '[]', $qryStr);
echo $result;

Output
Performance
VLD
References
Branches

preg_replace: documentation ( source)

preferences:dark modelive previewkey bindings

36.72 ms | 404 KiB | 5 Q