PHP errors - not compatible with 32bit versions of PHP?

[rugk]

PHP Notice:  Trying to get property of non-object in .../cts-submit.php on line 74
PHP Notice:  Trying to get property of non-object in .../cts-submit.php on line 75
PHP Notice:  Trying to get property of non-object in .../cts-submit.php on line 76
PHP Warning:  pack(): 64-bit format codes are not available for 32-bit versions of PHP in .../cts-submit.php on line 76
PHP Notice:  Trying to get property of non-object in .../cts-submit.php on line 77
PHP Notice:  Trying to get property of non-object in .../cts-submit.php on line 79
PHP Warning:  pack(): 64-bit format codes are not available for 32-bit versions of PHP in .../cts-submit.php on line 76
PHP Warning:  pack(): 64-bit format codes are not available for 32-bit versions of PHP in .../cts-submit.php on line 76
PHP Warning:  pack(): 64-bit format codes are not available for 32-bit versions of PHP in .../cts-submit.php on line 76
PHP Warning:  pack(): 64-bit format codes are not available for 32-bit versions of PHP in .../cts-submit.php on line 76

It would be nice if this script is (completely) compatible with 32bit versions of PHP too.
But besides this I think it worked.