Parser: $wgAllowExternalImagesFrom
If $wgAllowExternalImages is false, you can specify exceptions here.
Introduced in version:1.6.0 (r11531)
Removed in version:still in use
Allowed values:(array) (1.14+)
(string) (1.6-1.13)
Default value:''

Details edit

If $wgAllowExternalImages is false, you can specify an exception here. Image URLs that start with this string are then rendered, while all others are not. You can use this to set up a trusted, simple repository of images. As of r40310 (1.14.0), this may be an array of strings.

Example edit

$wgAllowExternalImagesFrom = '';
$wgAllowExternalImagesFrom = [

See also edit