<?php $tests = array( "42", 1337, 0x539, 02471, 0b10100111001, 1337e0, "not numeric", array(), 9.1, null, 0xf4c3b00c ); foreach ($tests as $element) { if (is_numeric($element)) { echo var_export($element, true) . " is numeric", PHP_EOL; } else { echo var_export($element, true) . " is NOT numeric", PHP_EOL; } } ?>
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