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This is not how a switch statement works. You are switching on the value of color, which I assume is a number or string, yet all of your case expressions evaluate to a boolean true. You must likely need to use IF statements instead, or redesign your switch correctly.
mysql_function(): WARNING: This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQLextension should be used. See also MySQL: choosing an API guide and related FAQ for more information.