- base_convert: documentation ( source)
<?php
echo base_convert('12020123112345698754321030041881', 10, 36)."\n";
echo base_convert(12020123112345698754321030041881, 10, 36)."\n";
echo base_convert('wddbr8v4gr4cw0k8oo0s', 36, 10)."\n";
echo base_convert('bu2stz2jwn', 36, 10)."\n";