Composer提示：Installation failed, reverting ./composer.json to its original content.错误的解决办法 0 By 董德多 on 2020年7月1日 PHP Composer提示：Installation failed, reverting ./composer.json to its original content.错误，分别运行下面两条命令即可： composer dump-autoload composer update composer composer.json
PHP提示Fatal error: Uncaught TypeError: Unsupported operand types: string + string …错误的原因及解决办法 PHP By 董德多
