Online PHP editor | refs for IPeQ8

<?php echo 'boolean filter:' . PHP_EOL; $on = filter_var('on', FILTER_VALIDATE_BOOLEAN); $true = filter_var('true', FILTER_VALIDATE_BOOLEAN); $one = filter_var('1', FILTER_VALIDATE_BOOLEAN); var_dump($on, $true, $one); $false = filter_var('everythingElse', FILTER_VALIDATE_BOOLEAN); var_dump($false);