Upgrade Symfony 1_4 Project to Symfony 5 [closed] - php

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I have a legacy application which uses
Symfony 1_4
PHP 5.3
MySQL 5.6
Client is asking for an upgrade of all the tech stack to the latest.
Symfony 5
PHP 8
MySQL 8
How can I do this upgrade with minimum effort ?
A solution required without re-writing the whole application.
Upgraded application's security should be major feature

Upgrading from such an old version to the latest version is most likely never going to work.
I suggest rebuilding the application in Symfony 5 manually, it will probably save you a lot time and effort.
You can try to reuse as much business logic as you can.

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Upgrade Laravel 5.3 to Laravel 8 [closed]

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What is the easiest and fastest way to upgrade code from Laravel 5.3 to Laravel 7.3 or 8 ? Is there a tool which can do that for me ? How long does it take to do that?
Please help .
Regards
The easiest way is to follow the documentation by laravel, best way is to upgrade to the next version, for example in your situation upgrade to 5.4, when everything is working, and all composer packages are upgraded to the right version, then move on to 5.5 etc...
heres a place to start : https://laravel.com/docs/5.4/upgrade#upgrade-5.4.0
and you can just change version in top right corner to get upgrade for the next version.
keep in mind you gonna have to keep upgrading manually packages versions in your composer.json to the proper versions, so just analyze the error codes you gonna be getting.
if theres a tool to help with that, then I dont know about it, hopefully next person does.

Is it possible to downgrade laravel 8.0 to 5.0? [closed]

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I was doing my client project. He told me he has Unlimited Cpanel purchased. so i just did my project on latest Laravel version. Now when i got his cpanel it has php version 5.4. What can i do now?
i was thinking about downgrading both laravel and php but will it support all features? Any help.
There are likely to be security vulnerabilities in that version of PHP and Laravel. The solution here is to get the client to upgrade his server infrastructure.

Is recommended to use Silex 2? [closed]

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In silex's web page, it says that the stable version of siles is 1.3 but silex-skeleton uses version 2 of silex, is this recommended?
Silex 2.0 is not stable yet, in fact is a dev-master. The bigger problem is that a dev-master can change at any time. Unlike a stable version, it may be that one day you will do composer update and your application will stop working for some reason.
It is always preferable stable versions, but you can also developed you application in sync with the branch master of silex.
For your sake and the sake of your team don't do it.
I have made the mistake of putting one of my big projects back in time of Symfony2.0-alpha (or was it beta, not sure). The documentation was scarce, it was unstable for some use-cases - I wen't thought hell and back.
Projects are marked unstable for a reason - they should not be used in production until the devs make sable release.

Google App Engine vs Pagoda Box? [closed]

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Particularly, for PHP development, which one performs better? I'd like to deploy a Zend Framework 1.X app on the chosen platform. Which one makes this easier/possible?
One thing I particularly love about Pagodabox is how they "force" you to use git (or some other version control system). I know you probably wouldn't use either GAE of PB for trivial projects, so you're probably already using some version control system. But I still think that's a nice touch of them. Plus it makes deploying that much easier.

How did PHP 5.3 break your application? [closed]

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PHP 5.3 has been released some time ago and the developers tried to keep the number of backwards compatibility breaks low. What issues did you find while testing/migrating your code with PHP 5.3?
I don't know about you, but I found all of these things I had to fix. :P
Migrating from PHP 5.2.x to PHP 5.3.x
Using CakePHP 1.2 it causes a lot of deprecated notices in debug mode.
Upgrading to latest CakePHP version fix it.
Beside the deprecated notices, I did not find any major issue.

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