<?php
echo gettype(0x55)."\n"; //type is integer echo 0x55."\n"; //this is correct
echo (int)"0x55"."\n"; //why 0?
echo intval("0x55", 0); //why 0?
PD9waHAKCmVjaG8gZ2V0dHlwZSgweDU1KS4iXG4iOyAvL3R5cGUgaXMgaW50ZWdlcgplY2hvIDB4NTUuIlxuIjsgLy90aGlzIGlzIGNvcnJlY3QKZWNobyAoaW50KSIweDU1Ii4iXG4iOyAvL3doeSAwPwplY2hvIGludHZhbCgiMHg1NSIsIDApOyAvL3doeSAwPw==