为什么php不支持回调
- php:
a. 代码:<?php function test(func){ func(); } test(function(){ echo "string"; });
b. 输出:
Parse error: syntax error, unexpected ')', expecting variable (T_VARIABLE) in E:\test\web\test.php on line 2
- javascript:
a. 代码:function test(func){ func() } test(function(){ console.log(1) })
b. 输出:
1