Online PHP editor | refs for K7THf

<?php declare(strict_types=1); $number = new \BcMath\Number(-1); $values = [ 0, '0.2', 0.2, new \BcMath\Number('0.2'), fopen('php://stdin', 'r'), new stdClass(), ]; $printBool = static fn (bool $b) => $b ? 'true' : 'false'; foreach ($values as $val) { printf("--------------\n%s\n--------------\n", print_r($val, true)); echo '<: ' . $printBool($number < $val) . "\n"; echo '<=: ' . $printBool($number <= $val) . "\n"; echo '>: ' . $printBool($number > $val) . "\n"; echo '>=: ' . $printBool($number >= $val) . "\n"; echo '==: ' . $printBool($number == $val) . "\n"; echo '!=: ' . $printBool($number != $val) . "\n"; echo '<=>: ' . ($number <=> $val) . "\n"; }