php - === php laravel 运算符在 cent os 6.9 中不起作用

Question

=== 运算符无法在 CENT OS 6.9 服务器上安装的 PHP-Laravel 网站中按照以下代码运行。

{{ $abc_history->abc_status === 4 && $abc_history->status === 2 ? 'success' : ($abc_history->abc_status === 0 ? 'danger' : ($abc_history->abc_status === 1 ? 'active-dash' : ($abc_history->abc_status === 4 && $abc_history->status === 1? 'active-dash' : '')))}}

Answer 1

因为与 ==运营商:"4" == 4 return true , 但在 ===接线员 "4" === 4 return false .