Parse error: syntax error, unexpected '|', expecting variable (T_VARIABLE) Symfony PHP VERSION WAMP Windows

user_7400254 0
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I have some syntax errors from symfony vendor when i'm trying to composer install my project.

Parse error: syntax error, unexpected '|', expecting variable (T_VARIABLE) vendor\psr\log\src\LoggerInterface.php on line 30

With several search, I saw the problem is from PHP version (have to be > 7.1), but actually my version is 7.4.9, this is a local machine, i'm working with WAMP on Windows. Symfony 4.4 version. Already tried to delete vendor, .lock...

Here the php version from phpinfo() PHP version from phpinfo()

Here php version from wamp PHP VERSION from wamp

Here php version from CLI php-v php version from php v

Here my composer.json

{
"type": "project",
"license": "proprietary",    
"require": {
    "php": ">=7.1.3",
    "ext-ctype": "*",
    "ext-iconv": "*",
    "doctrine/annotations": "^1.13",
    "mongodb/mongodb": "^1.10@dev",
    "ramsey/uuid": "^4.2",
    "symfony/console": "4.4.*",
    "symfony/dotenv": "4.4.*",
    "symfony/flex": "^1.3.1",
    "symfony/form": "4.4.*",
    "symfony/framework-bundle": "4.4.*",
    "symfony/messenger": "4.4.*",
    "symfony/yaml": "4.4.*"
},
"require-dev": {
},
"minimum-stability": "dev",
"config": {
    "preferred-install": {
        "*": "dist"
    },
    "sort-packages": true,
    "platform": {
        "php": "7.4.9"
    }
},
"autoload": {
    "psr-4": {
        "App\\": "src/"
    }
},
"autoload-dev": {
    "psr-4": {
        "App\\Tests\\": "tests/"
    }
},
"replace": {
    "paragonie/random_compat": "2.*",
    "symfony/polyfill-ctype": "*",
    "symfony/polyfill-iconv": "*",
    "symfony/polyfill-php71": "*",
    "symfony/polyfill-php70": "*",
    "symfony/polyfill-php56": "*"
},
"scripts": {
    "auto-scripts": {
        "cache:clear": "symfony-cmd",
        "assets:install %PUBLIC_DIR%": "symfony-cmd"
    },
    "post-install-cmd": [
        "@auto-scripts"
    ],
    "post-update-cmd": [
        "@auto-scripts"
    ]
},
"conflict": {
    "symfony/symfony": "*"
},
"extra": {
    "symfony": {
        "allow-contrib": false,
        "require": "4.4.*"
    }
}
}

Have some idea ?

symfony4 wamp windows php
5 Answers

I added this in the composer.json and it worked.

"config": {
        "platform": {
            "php": "7.4.21"
         }
   }

The run. composer update

This downgraded psr/log to a lower version from 2.0 and resolved my issue.

user_66821170

I got the solution.

uninstall composer using following command

sudo apt remove composer

sudo apt autoremove

switch to compatible php you are looking for using following command (if multiple php versions are running on your system)

sudo update-alternatives --config php

then install composer using older method given on below link

https://getcomposer.org/download/

user_33957590
user_186671540

I also faced this error when I upgrade ubuntu version from 20 to 22. I was using php 7.4 version. I tried to find the solution on google and mostly was saying to upgrade php version to 8. I updated to php 8 version but then again composer start throwing errors in Laravel project. Nothing helpful. So I uninstall php 8 and then reinstall composer and php 7.4. Everything start working fine. So in my conclusion. We can try these steps:

  1. Reinstall Php version
  2. Reinstall composer if you are using composer.
  3. Restart your apache or nginx server
user_57268490

Delete the vendor folder, delete the composer.lock file, then run composer install. that worked for me

user_106649910
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