Fast check joomla version by manifests

Detail: fast check joomla version no need login administrator
Path file: administrator\manifests\files\joomla.xml
Goto version line

 

Step upgrade joomla 3.x to 5.0

Step 1. Upgrade 3.x to latest version 3.10.12
Step 2. Upgrade 3.10.12 to joomla 4.4.0
Step 3. Upgrade 4.4.0 to joomla 5.0

Detail: Not allow upgrade direct 3.x to 5.0, so need do step by step