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Migrating from PHP3 to PHP4 | Incompatible functions? >>> |
9.12 Migrating from PHP 3 to PHP 4 9 FAQ : Foire Aux Questions Manuel PHP -> Migrating from PHP3 to PHP4 . Incompatible functions? |
9.12.1 Migrating from PHP3 to PHP4
PHP 4 was designed to be as compatible with earlier versions of PHP as possible and very little functionality was broken in the process. If you're really unsure about compatibility you should install PHP 4 in a test environment and run your scripts there. Also see the appropriate migration appendix of this manual. |
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