I would appreciate any comments on correcting this code.
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Warning**: fopen(calendar_config.php): failed to open stream: Permission denied in /home/hanken05/public_html/test/quickscheduling/calendar_install.php on line 50
Warning: fwrite(): supplied argument is not a valid stream resource in /home/hanken05/public_html/test/quickscheduling/calendar_install.php on line 61
Warning: fclose(): supplied argument is not a valid stream resource in /home/hanken05/public_html/test/quickscheduling/calendar_install.php on line 69
