3 * This file extends the content string manipulation.
4 * It affects the output of course content and news content at course home page.
5 * Input parameter: global variable $_input. This variable contains the input
7 * Output: $_input. Please make sure to assign the manipulated string back to $_input.
11 * Global input string. DO NOT CHANGE.
16 * Example, replace special tag "[black][/black]" with html
18 $_input = str_replace('[forum]','',$_input);
19 $_input = str_replace('[/forum]','',$_input);