For cPanel Version 7
1) Login to your cPanel
2) Go to MultiPHP Manager
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3) Choose the domain that you want to change the PHP version and choose the version. Then click apply.
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4) PHP version successfully changed.
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For cPanel version below than 7
1) Login to your cPanel
2) Go to Select PHP Version
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3) Select which PHP Version that you want to use and save.
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