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PHP 处理 Excel 日期格式

TP 记录数组日志：方法一： $arr = print_r([1,2,4], true); Log::write($arr);方法二： $arr = var_export([1,2,3], true); Log::write($arr);

验证器定义一个 \app\index\validate\User 验证器类用于 User 的验证: namespace app\index\validate uses think\Validate; class User extends Validate { protected $rule = [ 'name' => 'require|max:25', 'email' => 'email', ]; protected $message = [ 'name.r

错误提示:laravel/horizon v1.4.3 requires ext-pcntl * -> the requested PHP extension pcntl is missing from your system解决办法：在 composer.json 中增加“config”: {“preferred-install”: “dist”,“sort-packages”:...

执行php artisan migrate 报错 ：Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes (SQL: alter table user...

问题分析一般出现这种情况的都是apache/nginx配置出现问题nginx解决办法在location里面加上　try_files $uri $uri/ /index.php?$query_string;如果配置文件中存在　try_files $uri $uri/ =404;需要将它注释掉或者删掉，否则会报错...

1.问题git在执行git add命令时出现以下警告：warning: LF will be replaced by CRLF in test1.txt. The file will have its original line endings in working directory2.原因因为Git的换行符检查功能。LF是linux下的换行符，而CRLF是enter + 换行。...