(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::writeImageFile — Writes an image to a filehandle
Writes the image sequence to an open filehandle. The handle must be opened with for example fopen. This method is available if Imagick has been compiled against ImageMagick version 6.3.6 or newer.
filehandleFilehandle where to write the image.
formatThe image format. The list of valid format specifiers depends on the compiled feature set of ImageMagick, and can be queried at runtime via Imagick::queryFormats().
Returns true on success.