3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 'Should see "default value"' . "\n"; $empty_string = ""; $result1 = $empty_string ?: "default value"; var_dump($result1); echo 'Should see "overridden value"' . "\n"; $non_empty_string = "overridden value"; $result2 = $non_empty_string ?: "default value"; var_dump($result2);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Should see "default value" string(13) "default value" Should see "overridden value" string(16) "overridden value"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/akFWq on line 3
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/akFWq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/akFWq on line 3
Process exited with code 255.