php composer 报错 certificate verify failed怎么办？下面由composer教程栏目给大家介绍其解决办法，希望对需要的朋友有所帮助！
环境: centos7
使用 composer 安装依赖的时候报错了. 出现了如下的错误描述:
Failed to download laravel/laravel from dist: The "https://files.phpcomposer.com/files/laravel/laravel/48f44440f7713d3267af2969ed84297455f3787e.zip" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed Failed to enable crypto failed to open stream: operation failed
是证书出现了一些问题.
尝试修复:
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yum update -y
待全部软件更新后, 重启机器, 再次尝试composer 来安装依赖, 成功了
composer create-project --prefer-dist laravel/laravel vms3.0-admin
Installing laravel/laravel (v5.4.15)
- Installing laravel/laravel (v5.4.15): Downloading (100%)
Created project in vms3.0-admin
> php -r "file_exists('.env') || copy('.env.example', '.env');"
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 59 installs, 0 updates, 0 removals
- Installing symfony/polyfill-mbstring (v1.3.0): Downloading (100%)
- Installing symfony/var-dumper (v3.2.6): Downloading (100%) 
