List of Output Control Functions in PHP 5

o flush — Flush the output buffer
o ob_clean — Clean (erase) the output buffer
o ob_end_clean — Clean (erase) the output buffer and turn off output buffering
o ob_end_flush — Flush (send) the output buffer and turn off output buffering
o ob_flush — Flush (send) the output buffer
o ob_get_clean — Get current buffer contents and delete current output buffer
o ob_get_contents — Return the contents of the output buffer
o ob_get_flush — Flush the output buffer, return it as a string and turn off output

buffering
o ob_get_length — Return the length of the output buffer
o ob_get_level — Return the nesting level of the output buffering mechanism
o ob_get_status — Get status of output buffers
o ob_gzhandler — ob_start callback function to gzip output buffer
o ob_implicit_flush — Turn implicit flush on/off
o ob_list_handlers — List all output handlers in use
o ob_start — Turn on output buffering
o output_add_rewrite_var — Add URL rewriter values
o output_reset_rewrite_vars — Reset URL rewriter values