Is Laravel 5.1 Compatible with PHP 7
For Laravel 5.1.43, with updated vendor, is compatible with PHP 7.
and you can make sure through these methods by your self for any version of Laravel.
1. All unit test passed in PHP 7.0.8
monque@e4300 ~/project/laravel_framework git:(db580b5) ✗ :( $ php phpunit-old.phar
PHPUnit 4.8.27 by Sebastian Bergmann and contributors.
Runtime: PHP 7.0.8
Configuration: /home/monque/project/laravel_framework/phpunit.xml
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Time: 2.55 seconds, Memory: 64.00MB
OK (1748 tests, 3962 assertions)
2. Homestead for 5.1 is already upgrade to PHP 7
Homestead runs on any Windows, Mac, or Linux system, and includes the Nginx web server, PHP 7.0, MySQL, Postgres, Redis, Memcached, Node, and all of the other goodies you need to develop amazing Laravel applications.
https://laravel.com/docs/5.1/homestead
3. Analysis using PHP-Migration
monque@e4300 ~/project/laravel_framework git:(db580b5) ✗ $ phpmig -sv70 src
File: src/Illuminate/Foundation/Bootstrap/HandleExceptions.php
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Found 1 spot(s), 0 identified
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35 | WARNING | | 7.0.0 | set_exception_handler() is no longer guaranteed to receive Exception objects
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File: src/Illuminate/Hashing/BcryptHasher.php
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Found 1 spot(s), 0 identified
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30 | DEPRECATED | | 7.0.0 | salt option for password_hash() is deprecated
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File: src/Illuminate/Support/Collection.php
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Found 1 spot(s), 0 identified
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157 | NOTICE | | 7.0.0 | Modulus operator will throw a exception if divisor is 0
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File: src/Illuminate/Encryption/McryptEncrypter.php
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Found 1 spot(s), 0 identified
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153 | NOTICE | | 7.0.0 | Modulus operator will throw a exception if divisor is 0
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These spots is compatible with PHP 7 after manually checking.
No issues on my local VM installed from Laravel Homestead Box. Everything works really fine.
You have all the setup information for this box here and a specific section for PHP 7 upgrade: http://laravel.com/docs/5.1/homestead