3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "0x80" + 0; var_dump($a); $converted = base_convert($a, 16, 2); printf("\n%b",$converted); printf("\n%d\n",bindec($converted)); var_dump($a == $converted,$a,bindec($converted));
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/nRaPC on line 2 int(0) 0 0 bool(true) int(0) int(0)
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
int(0) 0 0 bool(true) int(0) int(0)
Output for 4.3.0 - 5.6.28
int(128) 101111101110110101110001000 296 bool(false) int(128) int(296)