(PHP 5 >= 5.4.0, PHP 7)
stream_set_chunk_size — Set the stream chunk size
$fp
, int $chunk_size
)Set the stream chunk size.
fpThe target stream.
chunk_sizeThe desired new chunk size.
Returns the previous chunk size on success.
Will return FALSE if chunk_size is less than 1 or
greater than PHP_INT_MAX.
Will emit an E_WARNING level error if chunk_size
is less than 1 or greater than PHP_INT_MAX.