# Upgrading from PHP4 to PHP5

**URL:** <https://forum.kirupa.com/t/upgrading-from-php4-to-php5/206989>\
**Category:** programming\
**Created:** [November 13, 2006, 8:46pm UTC](https://forum.kirupa.com/t/upgrading-from-php4-to-php5/206989 "2006-11-13T20:46:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![imagined](https://avatars.discourse-cdn.com/v4/letter/i/a87d85/32.png) [@imagined](https://forum.kirupa.com/u/imagined)\
**Post date:** [November 13, 2006, 8:46pm UTC](https://forum.kirupa.com/t/upgrading-from-php4-to-php5/206989/1 "2006-11-13T20:46:23Z")

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What is the easiest way to upgrade from PHP4 to PHP5?