3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = ["hallo", "bye", "wie gehts", "foo", "bar"]; $keys = [1, 3]; var_dump(array_uintersect(array_flip($keys), $values);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected ';' in /in/jZa8G on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/jZa8G on line 3
Process exited with code 255.
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182.37 ms | 1395 KiB | 60 Q