PHP 忒聊 綴豖 ヶ輛 crc32 (PHP 4 = 4.0.1) Description Generates the cyclic redundancy checksum polynomial of 32-bit lengths of the str. This is usually used to validate the integrity of data being transmitted. See also md5() 綴豖 れ萸 ヶ輛 count_chars 奻珨撰 crypt