Once you switched your webserver to litespeed individual php.ini files wont work. Follow the below steps to make it working
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First loin to the litespeed admin area.
To reset litespeed password please follow this link Reset Litespeed password
Once you are in Go to
Configuration => Server => External App =>lsphp5 => Edit
Now under Environment add the below line and click Save
To place php.ini under /home/username/public_html use the cose
Now restart litespeed after that you can use php.ini under /home/<user>/php.ini
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