The image argument is the return from the imagecreate () or imagecreatefrom function.
If not set or NULL, the raw image stream will be outputted directly. imagegif () creates the GIF file in file from the image image. './configure' '-host=i686-pc-linux-gnu' '-build=i686-pc-linux-gnu' '-target=i386-redhat-linux' '-program-prefix=' '-prefix=/usr' '-exec-prefix=/usr' '-bindir=/usr/bin' '-sbindir=/usr/sbin' '-sysconfdir=/etc' '-datadir=/usr/share' '-includedir=/usr/include' '-libdir=/usr/lib' '-libexecdir=/usr/libexec' '-localstatedir=/var' '-sharedstatedir=/usr/com' '-mandir=/usr/share/man' '-infodir=/usr/share/info' '-cache-file=./config.cache' '-with-config-file-path=/etc' '-with-config-file-scan-dir=/etc/php. imagegif (PHP 4, PHP 5, PHP 7) imagegif Output image to browser or file Description imagegif ( resource image, mixed to null ) : bool imagegif() creates. An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().