history_add_revision()
history_add_revision(object $pageinfo, string $newsource, string $oldsource, boolean $save_pageindex = true, string $change_type = "edit")
Adds a history revision against a page.
Note: Does not updaate the current page content! This function only records a new revision against a page name. Thus it is possible to have a disparaty between the history revisions and the actual content displayed in the current revision if you're not careful!
Parameters
| object | $pageinfo | The pageindex object of the page to operate on. |
| string | $newsource | The page content to save as the new revision. |
| string | $oldsource | The old page content that is the current revision (before the update). |
| boolean | $save_pageindex | Whether the page index should be saved to disk. |
| string | $change_type | The type of change to record this as in the history revision log |