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对于构造函数自己还没有理解

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PHP中文网Original
2016-05-25 17:06:41968browse

php代码

<?php
    function test($n){
        echo $n."&nbsp";        
        if($n>0){
            test($n-1);//调用函数本身。
        }else{
            echo "<--->";
        }
        echo $n ."&nbsp";
    }
    test(3);//调用函数输出。
?>
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