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I have a bunch of PHP 5.6 code that I would like to get up to 7.2. My biggest concern was the change that causes an error when you call a function without enough parameters. Previously, this was a warning. This is the change I know for a fact affects me, but others may as well. So what I did is I put together a small sample file and started opening it in various IDEs to see if any of them would tell me that it is not valid 7.2. So far I am 0 for 3.

Apparently this is a run time error, so simply running the file or running it with -l doesn't work. So how can I make sure my code is acceptable for PHP 7.2 without manually going through every file?

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    1. Install php 7 in a test environment (e.g. your local computer). 2. Test your code using that version. 3. Fix any problems until everything works. Commented Oct 24, 2018 at 21:43
  • The problem is by the time I finish that, PHP 200 will be released. Commented Oct 24, 2018 at 21:45
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    Don't you have unit tests? If not, then it's a good time to add them Commented Oct 25, 2018 at 1:25
  • I guess I wasn't clear enough. There is too much code to simply add unit tests. Support for php 5.6 ends in about a month. I cannot add unit tests to 15 year's worth of code in a month. Commented Oct 25, 2018 at 14:11
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    I guess I wasn't clear enough. There is too much code to simply add unit tests. Support for php 5.6 ends in about a month. I cannot add unit tests to 15 year's worth of code in a month. time for the company to pay the technical debt. Commented Oct 30, 2018 at 17:48

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Sorry about all the down voters who didn't bother leaving a reason why. I was in your EXACT situation, and here is what I did:

I used a static code analysis tool. I tried a few, but the first one that actually worked how I wanted to was Phan. Installation was a pain and the documentation isn't the best, but once you figure out the syntax, it's very useful.

  1. Create a list of php files you want to validate.

    cd C:\SomeDir dir /s /b *.php > C:\phpfiles.txt

  2. Run phan with that list as an argument.

    vendor\bin\phan -f C:\phpfiles.txt > C:\output.txt

  3. If you only want certain results, for example if you only want PhanParamTooFew results, use findstr:

    findstr /c:"PhanParamTooFew " C:\output.txt > C:\filteredoutput.txt

There are config settings to do that third bit, but I couldn't get it to work.

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  • Did you just answer your own question thinking it was asked by someone else? 👀😂 Commented Oct 30, 2018 at 19:09
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    Haha the "exact" was capital for a reason. I continued seeking answers after posting and this is what I came up with. I hope to help future travelers. Commented Oct 30, 2018 at 19:15

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