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<?php $tests = array( '0x539', '02471', '1337e0', '0b10100111001', ); foreach ($tests as $element) { var_dump((int)$element); if (is_numeric($element)) { echo "'{$element}' is numeric", PHP_EOL; } else { echo "'{$element}' is NOT numeric", PHP_EOL; } }
Output for git.master, git.master_jit, rfc.property-hooks
int(0) '0x539' is NOT numeric int(2471) '02471' is numeric int(1337) '1337e0' is numeric int(0) '0b10100111001' is NOT numeric

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