ob_flush

ob_flush

Flush (send) the return value of the active output handler

bool **ob_flush**

This function calls the output handler (with the flag), flushes (sends) its return value and discards the contents of the active output buffer. PHP_OUTPUT_HANDLER_FLUSH

This function does not turn off the active output buffer like or does. ob_end_flush``ob_get_flush

will fail

without an active output buffer started with the flag. ob_flush``PHP_OUTPUT_HANDLER_FLUSHABLE

return.success

If the function fails it generates an . E_NOTICE

ob_start``ob_get_contents``ob_end_flush``ob_get_flush``ob_clean