Online PHP editor | refs for mZ2fP

<?php print "is_numeric(NAN) ? " . (is_numeric(NAN) ? "true\n" : "false\n"); print "NAN == 0 ? " . (NAN == 0 ? "true\n" : "false\n"); print "NAN == 1 ? " . (NAN == 1 ? "true\n" : "false\n"); print "NAN === 0 ? " . (NAN === 0 ? "true\n" : "false\n"); print "NAN === 1 ? " . (NAN === 1 ? "true\n" : "false\n"); print "NAN == NAN ? " . (NAN == NAN ? "true\n" : "false\n"); print "NAN === NAN ? " . (NAN === NAN ? "true\n" : "false\n"); print "(int) NAN = " . ((int) NAN) . "\n";