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"; $a = 0x80; var_dump($a,base_convert($a, 16, 2)); var_dump( hex2bin("0x80") );
Output for 5.5.1 - 5.6.28, 7.0.0 - 7.1.0
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Warning: hex2bin(): Input string must be hexadecimal string in /in/lklHV on line 18 bool(false)
Output for hhvm-3.10.0 - 3.12.0
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Warning: hex2bin: malformed input in /in/lklHV on line 18 bool(false)
Output for 5.4.0 - 5.5.0
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" bool(false)
Output for 5.0.0 - 5.3.29
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Fatal error: Call to undefined function hex2bin() in /in/lklHV on line 18
Process exited with code 255.
Output for 4.4.5 - 4.4.9
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Fatal error: Call to undefined function: hex2bin() in /in/lklHV on line 18
Process exited with code 255.
Output for 4.3.2 - 4.4.4
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Fatal error: Call to undefined function: hex2bin() in /in/lklHV on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1
string(9) "100101000" int(128) 10000000 string(9) "100101000" int(-128) 1111111111111111111111111111111111111111111111111111111110000000 int(100) int(-101) -1 int(128) string(9) "100101000" Fatal error: Call to undefined function: hex2bin() in /in/lklHV on line 18