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<?php var_dump(check_input_data('wello', 'int')); var_dump(check_input_data('123groovybaby', 'int')); var_dump(check_input_data('9999999999', 'int')); $legit_id = "345\0groovybaby"; var_dump(check_input_data($legit_id, 'int')); function check_input_data($data, $type) { echo "testing data: ", $data, "\n"; if (preg_match('/^[0-9]{1,10}$/D', $data) && $data < 2147483647) return true; }
Output for git.master, git.master_jit, rfc.property-hooks
testing data: wello NULL testing data: 123groovybaby NULL testing data: 9999999999 NULL testing data: 345groovybaby NULL

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