PHP 開發版本問題處理

Corwien發表於2019-02-16
PHP

在安裝一個開源專案時，作者本地用了 PHP 7.1 進行開發，而我本地是 PHP 7.0, 於是悲劇發生了,出現了這樣的錯誤：requires php ^7.1 -> your PHP version (7.0.13) does not satisfy that requirement..

一、Composer 安裝包

composer install 之後報錯

vagrant@homestead:~/Code/sample$ composer install
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for doctrine/instantiator 1.1.0 -> satisfiable by doctrine/instantiator[1.1.0].
    - doctrine/instantiator 1.1.0 requires php ^7.1 -> your PHP version (7.0.13) does not satisfy that requirement.
  Problem 2
    - doctrine/instantiator 1.1.0 requires php ^7.1 -> your PHP version (7.0.13) does not satisfy that requirement.
    - phpunit/phpunit-mock-objects 2.3.8 requires doctrine/instantiator ^1.0.2 -> satisfiable by doctrine/instantiator[1.1.0].
    - Installation request for phpunit/phpunit-mock-objects 2.3.8 -> satisfiable by phpunit/phpunit-mock-objects[2.3.8].

二、解決方法

刪除 composer.lock 檔案，重新執行 composer install，這樣就能重新生成 composer.lock 檔案了。

composer 包自動載入後，會生成一個 composer.lock 鎖檔案，所以，在從GitHub拉取別人的程式碼後，需要對這個檔案進行刪除。

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