Sharing examples of variable functions and anonymous functions in PHP

This article mainly shares with you examples of variable functions and anonymous functions in PHP, hoping to help everyone.

   <?php//可变函数function fun($args){
    echo $args;
}$str = &#39;fun&#39;;//将方法名称保存到变量中。$str(&#39;i am  fun&#39;);//用变量名称去匹配函数，
并调用。echo &#39;<br>&#39;;
//匿名函数 PHP从 5.3 开始支持匿名函数。$fn = function($args){
    echo $args;
};//注意匿名函数必须以；结尾。var_dump($fn);echo &#39;<br>&#39;;$fn(&#39;i am 奥巴马~！&#39;);?>

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