3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = array( 0, 1, '1', 1.00, 1.01, 2.33, 3.445, -3.45 ); foreach($values as $value) { $isValid = false; $value = abs($value); if(is_int($value)) $isValid = true; $regexp = '/^[0-9]+\.[0-9][0-9]?$/'; preg_match($regexp, $value, $matches); if(count($matches) == 1) $isValid = true; if($isValid) { echo $value."\n"; } }

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42.99 ms | 402 KiB | 5 Q