stream_set_chunk_size

PHP 5 >= 5.4.0, PHP 7, PHP 8
stream_set_chunk_size - Set the stream chunk size
Manual

stream_set_chunk_size( resource$stream, int$size ): int

Set the stream chunk size.

Parameters

stream

The target stream.

size

The desired new chunk size.

Return Values

Returns the previous chunk size on success.

Will return false if size is less than 1 or greater than PHP_INT_MAX.

Exceptions and Errors

Will emit an E_WARNING level error if size is less than 1 or greater than PHP_INT_MAX.