(PHP 4 >= 4.3.0, PHP 5, PHP 7) Reset URL rewriter values

(PHP 4, PHP 5, PHP 7) Turn implicit flush on/off

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Flush (send) the output buffer

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Return the length of the output buffer

(PHP 4, PHP 5, PHP 7) Flush system output buffer

(PHP 4, PHP 5, PHP 7) Flush (send) the output buffer and turn off output buffering

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get status of output buffers

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Clean (erase) the output buffer

(PHP 4, PHP 5, PHP 7) Return the contents of the output buffer

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Add URL rewriter values