3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php foreach(array(NAN, 0, "0", "") as $y){foreach(array(NAN, 0, "0", "") as $x){printf("%2d", $x <=> $y);}echo "\n";}
Output for 7.1.10 - 7.2.0
1 1 1 1 1 0 0 0 1 0 0-1 1 0 1 0
Output for 7.0.0 - 7.1.7
-1-1-1-1 -1 0 0 0 -1 0 0-1 -1 0 1 0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/DM8kT on line 2
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 '>' in /in/DM8kT on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/DM8kT on line 2
Process exited with code 255.