public freezeOutput ( boolean $at_front = true ) : boolean | ||
$at_front | boolean | At front. Default is true. If the front of a buffer is frozen, operations that drain data from the front of the buffer, or that prepend data to the buffer, will fail until it is unfrozen. If the back a buffer is frozen, operations that append data from the buffer will fail until it is unfrozen |
Результат | boolean | Success |