Online PHP editor | refs for PKnsc

<?php $values = [ '0', '-0', '1', '-1', '0.0', '1.1', '-1.1', '0x111', '0111', '0b111', '-0x111', '-0111', '-0b111', '0.1e2', '-0.1e2', '0.1e-2', '-0.1e-2', ]; printf(' string | float | int' . PHP_EOL); foreach ($values as $value) { $float = filter_var($value, FILTER_VALIDATE_FLOAT, FILTER_REQUIRE_SCALAR); $int = filter_var($value, FILTER_VALIDATE_INT, FILTER_REQUIRE_SCALAR); printf('%7s | %6s | %2s%s', $value, $float, $int, PHP_EOL); }