How to fix PHP Parse error: syntax error, unexpected '?', on laravel 5.8

Question

I have hosted by project on shared hosting where my 'app' folder i outside public_html The php version is 7.3.5, the issue i am having is.. i am have created a cron job to automatically backup the project database but i keep getting this error on my logs;

[08-Jun-2019 21:04:01 UTC] PHP Parse error:  syntax error, unexpected '?', expecting variable (T_VARIABLE) in /home/username/app-folder/vendor/zendframework/zend-diactoros/src/functions/marshal_uri_from_sapi.php on line 83

I am using spatie/laravel-backup.

My cron is set as

*   *   *   *   *   php /home/username/app-folder/artisan backup:run

Sounds like CLI version is different. Whats the code, and what does the version come back as if you run php --version? — user3783243
– user3783243, Commented Jun 8, 2019 at 21:47
That was what I initially thought so i created a route; Route::get('phpinfo', function () { return phpinfo(); }); and am getting PHP Version 7.3.5 — Elvis Kirui
– Elvis Kirui, Commented Jun 8, 2019 at 21:50
When running in command line as well as web? CRON uses CLI so you must verify both versions are the same — user3783243
– user3783243, Commented Jun 8, 2019 at 21:53

Leonardo Rossi · Accepted Answer · 2019-06-08 21:50:14Z

5

Have you checked that file at line 83?

I did, on Github, I see the only question mark on that line is a ?int in the method signature.

I googled for 15seconds and found that it's a new feature of PHP 7.1 . So I checked composer.json of that package and see that it requires "php": "^7.1".

Are you sure you are running PHP 7.3.5 on that machine? Please put a phpinfo(); exit(); in your public/index.php and double check because that error is a symptom you are running a version of php lower than 7.1

answered Jun 8, 2019 at 21:50

Leonardo Rossi

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Ivan Denchev · Accepted Answer · 2019-06-10 15:15:46Z

The error represents an issue with PHP scripts written for PHP 7.X and above that use an older version of PHP.

The feature which is used is called a Null Coalesce Operator.

You can read more about it from PHP's official documentation here - https://www.php.net/manual/en/migration70.new-features.php#migration70.new-features.null-coalesce-op

The cron which you're using is invoking the php binary directly, which is the default version set to be used by WHM/cPanel

If you know the direct path to your PHP binary you can directly call it when setting up your cron like:

*   *   *   *   *   php /home/username/app-folder/artisan backup:run

For servers without CloudLinux:

*   *   *   *   *   /opt/cpanel/ea-php70/root/usr/bin/php /home/username/app-folder/artisan backup:run

For servers with CloudLinux:

*   *   *   *   *   /opt/alt/php70/usr/local/bin/php /home/username/app-folder/artisan backup:run

*Note: You can change hte php70 string in the two example paths above with any other PHP 7.X version installed, for PHP 7.1 - php71 etc..

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