Online PHP editor | refs for hoefb

<?php $condition = ['one', 'two']; $key = key($condition); echo "The key is: " . $key . PHP_EOL; echo 'Without strict comparison:' . PHP_EOL; var_dump(in_array($key, ['a', 'b'])); echo 'With strict comparison:' . PHP_EOL; var_dump(in_array($key, ['a', 'b'], true)); echo 'Non-strict comparison of string to zero:' . PHP_EOL; var_dump(0 == 'a');