Online PHP editor | refs for PCEuZ

<?php $tests = array( "42", 1337, 0x539, 02471, 0b10100111001, 1337e0, "not numeric", array(), 9.1, null ); foreach ($tests as $element) { if (\is_numeric($element)) { $int = (int) $element; echo var_export($int, true) . " is numeric", PHP_EOL; $float = (float) $element; echo var_export($float, true) . " is numeric", PHP_EOL; } else { echo var_export($element, true) . " is NOT numeric", PHP_EOL; } }