This container propose to check the compatibility of your code with PHP 7.x

docker run --rm -v $(pwd):/app vfac/php7compatibility <version> <option> <path>

PHP Version used to check code compatibility: 7.0, 7.1, 7.2, 7.3, 7.4

For instance to check code of the current directory in PHP version 7.4 :

docker run --rm -v $(pwd):/app vfac/php7compatibility 7.4 .

With large source code, you could have an error message like:

PHP Fatal error:  Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) in /php7checker/vendor/squizlabs/php_codesniffer/src/Tokenizers/Tokenizer.php on line 1282

To prevent this error type, you can use the following option

-d memory_limit=512M

This option set temporary the memory limit php option to 512M

With a setting to 1Giga of memory:

docker run --rm -v $(pwd):/app vfac/php7compatibility 7.4 -d memory_limit=1G .

You can limit the inspection of your code to specific extension file with the optiion

--extensions=php

Several extensions can be add, with a comma separation

--extensions=php,lib

Example

docker run --rm -v $(pwd):/app vfac/php7compatibility 7.4 --extensions=php .

The --ignore option can be useful to prevent a big scan of your code.

--ignore=vendor

Several paths can be add, with a comma separation

--ignore=vendor,tmp

Exemple

docker run --rm -v $(pwd):/app vfac/php7compatibility 7.4 --ignore=vendor .

Path to inspect into current directory. To inspect all files in current directory use .

docker run --rm -v $(pwd):/app vfac/php7compatibility 7.4 .