3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 0x40; // 64 $b = ~$a; // flip bits, i.e. 2s complement so -$a and then minus 1 var_dump($b); // -65 decimal var_dump(base_convert($b, 10, 2), $b); // 65 printf(&quot;%b&quot;, $b); // 1000001 echo &quot;\n\n&quot;;
based on Qprg2
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '&' in /in/gBOds on line 6
Process exited with code 255.
Output for 5.5.24 - 5.6.17
Parse error: syntax error, unexpected ';', expecting '(' in /in/gBOds on line 6
Process exited with code 255.
Output for 5.4.12 - 5.4.45
Parse error: syntax error, unexpected ';', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/gBOds on line 6
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected ';', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/gBOds on line 6
Process exited with code 255.