(PECL libevent >= 0.0.4)
Set or reset callbacks for a buffered event
bool event_buffer_set_callback ( resource $event, mixed $readcb, mixed $writecb, mixed $errorcb [, mixed $arg ] )
Sets or changes existing callbacks for the buffered event.
Parameters:
event
Valid buffered event resource.
readcb
Callback to invoke where there is data to read, or NULL if no callback is desired.
writecb
Callback to invoke where the descriptor is ready for writing, or NULL if no callback is desired.
errorcb
Callback to invoke where there is an error on the descriptor, cannot be NULL.
arg
An argument that will be passed to each of the callbacks (optional).
Returns:
Returns TRUE on success or FALSE on failure.
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