3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 0x80; var_dump(base_convert($a, 16, 2),$a); printf("%b",$a); echo "\n\n"; $b = -$a; var_dump(base_convert($b, 16, 2), $b); printf("%b", $b); echo "\n"; $c = 100; $d = ~$c; var_dump($c,$d); echo $c + $d; echo "\n\n"; $a = 0x80; var_dump(base_convert($a, 16, 2)); printf("%d",0b100101000);
Output for 5.4.0 - 7.1.0
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 string(9) "100101000" 296
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/gXEGs on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/gXEGs on line 18
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gXEGs on line 18
Process exited with code 255.