CRC32

This functions will return the CRC32 of a file.

<?
  function crc32X($file) {
    # Get CRC32B Hash
    $x = hash_file("crc32b", $file);
    # Format Accordingly
    $x = sprintf("%08x", 0x100000000 + hexdec($x));
    # Return Output
    return substr($x, 6, 2) . substr($x, 4, 2) . substr($x, 2, 2) . substr($x, 0, 2);
  }
?>

Usage

crc32X('./file.avi);

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