Step 1: Login to your cPanel account.
Step 2: Click MultiPHP INI Editor option under Software.
Step 3: You will see the Configure PHP INI basic settings page.
Step 4: In the drop down list, select home directory or domain document root that you wish to modify the php.ini settings under your cPanel account.
Step 5: You can see the list of option. Once have made changes, finally click Apply option.
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