Scheduled system upgrade on Sunday 21 April 2024 15:00-16:00 UTC - On that day, the wiki and other services might go down for 5-15 minutes.
Template:Isdef
Jump to navigation
Jump to search
Tests if a variable is defined
| Parameter | Description | Type | Status | |
|---|---|---|---|---|
| Value if true | 0 | no description | String | suggested |
| Value if false | 1 | no description | String | suggested |
| Variable to test | var | no description | String | required |