后端开发

PHP

php生成验证码

php生成验证码class VeriCode{// 获取验证码配置private static function _getCodeConfig(){return [// 验证码字符集'codeStr' => 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwx

PHP

php文件锁 高并发处理

$file

Laravel

laravel10安装报错Your requirements could not be resolved to an installable set of packages.

Your requirements could not be resolved to an installable set of packages.