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## upgrade2.3-to-2.7.md

      
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                mickaelandrieu
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              April 26, 2022 11:56
            
              
                Complete migration guide from Symfony 2.3 LTS to Symfony 2.7 LTS
              
          
    From Symfony 2.3 to Symfony 2.7: the complete guide

Objectives


 assume your code doesn't use any deprecated from versions below Symfony 2.3
 update dependencies from 2.3 to 2.7
 do not support "deprecated", be "Symfony3-ready"
 list tasks component by component, bundle by bundle.