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Bugs & Features
<?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) $element; echo var_dump($int), PHP_EOL; $float = 10 * $element; echo var_dump($float), PHP_EOL; } else { echo var_export($element, true) . " is NOT numeric", PHP_EOL; } }
Output for 7.3.0rc3
int(42) int(420) int(1337) int(13370) int(1337) int(13370) int(1337) int(13370) int(1337) int(13370) int(1337) float(13370) 'not numeric' is NOT numeric array ( ) is NOT numeric int(9) float(91) NULL is NOT numeric