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php 引用一个函数?

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Release: 2016-06-06 20:14:13
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<code>class c{
  function f1($parameter){

  }

  function f2(){
    $f = #如何获得f1的引用?
    $f($input);#为了这个
  }
}</code>
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回复内容:

<code>class c{
  function f1($parameter){

  }

  function f2(){
    $f = #如何获得f1的引用?
    $f($input);#为了这个
  }
}</code>
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$f=$this->f1();

少打了括号

<code><?php class c{
  function f1(){
        echo 'hello';
  }

  function f2(){
    $f = $this->f1();
    $f;
  }
}

$i =new c;

$i->f2();
</code>
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<code>class c{
  function f1($parameter){

  }

  function f2(){
    $this->$f1($input);
  }
}</code>
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