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

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

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

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

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