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run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = ['one' => false, 'two' => true]; var_dump(array_flip($x));
based on 8KgOJ
Output for 5.4.0 - 7.2.0
Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/C7qrc on line 4 Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/C7qrc on line 4 array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/C7qrc 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/C7qrc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/C7qrc on line 3
Process exited with code 255.