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I am going to upgrade my php version from 5.5.38 to 7.3.8.
My current Codeigniter version is 2.1.0 and mysql version: 5.7.17 MySQL Community Server (GPL)
I don't want to change Codeigniter version (2.1.0) but want to upgrade the php version. Could any one tell me what kind of issue I will face and the precaution I should take. Please help.

Hasta Dhana
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Samiul
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  • You can check this link might be helpful for you https://stackoverflow.com/questions/41037434/codeigniter-compatibility-with-php-version – Ankur Tiwari Aug 26 '19 at 05:46
  • https://stackoverflow.com/a/48639870/2139772 – Muhammed Shihabudeen Labba A Aug 26 '19 at 05:48
  • if i were you. i'd download xampp for your new php version and see any issues that may occur . – Alex Aug 26 '19 at 07:25
  • You may get some undefined error in php because some functions has been deleted in php 7 . That means there are difference between php 5 and 7. i always recommend you to upgrade your codeigniter framework version as latest version always supports, ensures security . – Ariful Islam Aug 26 '19 at 09:25

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