Verifies GD2 settings (that the right version is actually installed).
A Boolean indicating whether the correct version of the GD toolkit is available on this machine.
function image_gd_check_settings() {
if ($check = get_extension_funcs('gd')) {
if (in_array('imagegd2', $check)) {
// GD2 support is available.
return TRUE;
}
}
return FALSE;
}