PHP Fatal error: Composer detected issues in your platform: Your Composer dependencies require a PH

PHP Fatal error: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.4.0". You are running 7.3.4.

解决办法

1、项目下composer.json 中 config 配置 添加 "platform-check": false

1.  
   "config": {
2.  
    
3.  
   "platform-check": false
4.  
    
5.  
   },

2、在项目目录下再执行composer命令：“composer dump”

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