Errors running PHP from command line

I run a php script from my shell prompt and get these errors, although the script still seems to function properly. Any idea why? (PHP Version 4, FreeBSD) localhost # ./scriptfile.php PHP Warning: Function registration failed - duplicate name - textdomain in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - gettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - _ in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - dgettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - dcgettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - bindtextdomain in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - ngettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - dngettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - dcngettext in Unknown on line 0 PHP Warning: Function registration failed - duplicate name - bind_textdomain_codeset in Unknown on line 0 PHP Warning: gettext: Unable to register functions, unable to load in Unknown on line 0 PHP Warning: Unknown(): Unable to load dynamic library '/usr/local/lib/php/extensions/current/chasen.so' - Cannot open "/usr/local/lib/php/extensions/current/chasen.so" in Unknown on line 0 PHP Warning: Unknown(): Unable to load dynamic library '/usr/local/lib/php/extensions/current/kakasi.so' - Cannot open "/usr/local/lib/php/extensions/current/kakasi.so" in Unknown on line 0 PHP Warning: Unknown(): Unable to load dynamic library '/usr/local/lib/php/extensions/current/namazu.so' - Cannot open "/usr/local/lib/php/extensions/current/namazu.so" in Unknown on line 0 localhost # Thanks, Jonathan Duncan