3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function compare_behaviour($arg1, $arg2) { static $test = 0; ++$test; $res1 = ($arg1 ?: $arg2); $res2 = ($arg1 or $arg2); echo "$test\n========\n"; if( $res1 !== $res2 ){ var_dump($arg1, $arg2, $res1, $res2); } else { echo "SAME"; } } compare_behaviour(false, true); compare_behaviour(0, 1); compare_behaviour(0, 0); compare_behaviour(NULL, []);
based on YWm9o
Output for 5.4.0 - 7.1.0
1 ======== SAME2 ======== int(0) int(1) int(1) bool(true) 3 ======== int(0) int(0) int(0) bool(false) 4 ======== NULL array(0) { } array(0) { } bool(false)
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/6IOBc on line 21
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/6IOBc on line 7
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/6IOBc on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6IOBc on line 7
Process exited with code 255.