- base_convert: documentation ( source)
- bindec: documentation ( source)
- octdec: documentation ( source)
- hexdec: documentation ( source)
<?php
echo base_convert("1.5",16,10),"\n";
echo base_convert("1.5",10,16),"\n";
echo bindec("1.5"),"\n";
echo octdec("1.5"),"\n";
echo hexdec("1.5"),"\n";