PHP $this->instance('path', $this->{$path.'Path'}());

[ningskyer]

这特么什么意思。。。

$this->{$path.'Path'}()

这是什么用法

[ningskyer]

$path 是个字符串变量

[jfcherng]

$this->{$path.'Path'}() = 調用名為 $path.'Path' 的方法

[geeglo]

假设 $path = 'x';

整句话 = $this->instance('path', $this->xPath());

[Slienc7]

http://stackoverflow.com/questions/251485/dynamic-class-method-invocation-in-php

[ningskyer]

@Slienc7 nice

[wudanyang]

https://segmentfault.com/q/1010000004486442