PHP Manual: Description

int SWFMovie::saveToFile ( resource $x [, int $compression = -1 ] )

Warning

This function is currently not documented; only its argument list is available.

X

compression

The compression level can be a value between 0 and 9, defining the SWF compression similar to gzip compression.

This parameter is only available as of Flash MX (6).

Return the number of bytes written or FALSE on error.

SWFMovie::saveToFile