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请教这段代码到底什么有关问题? 为什么会报错

WBOY
Release: 2016-06-13 12:19:17
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请问这段代码到底什么问题? 为什么会报错;

本帖最后由 baidu_27153093 于 2015-05-06 11:31:40 编辑
<br /><br />Array<br />(<br />    [0] => Array<br />        (<br />            [id] => 3<br />            [fid] => 0<br />            [name] => 333<br />            [son] => Array<br />                (<br />                    [0] => Array<br />                        (<br />                            [id] => 2<br />                            [fid] => 3<br />                            [name] => 2_3<br />                            [son] => Array<br />                                (<br />                                    [0] => Array<br />                                        (<br />                                            [id] => 4<br />                                            [fid] => 2<br />                                            [name] => 2_4<br />                                        )<br /><br />                                )<br /><br />                        )<br /><br />                    [1] => Array<br />                        (<br />                            [id] => 5<br />                            [fid] => 3<br />                            [name] => 2_3<br />                        )<br /><br />                )<br /><br />        )<br /><br />    [1] => Array<br />        (<br />            [id] => 1<br />            [fid] => 0<br />            [name] => 111<br />        )<br /><br />)
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这是一个tree结构的数组,我希望在每个数组元素上加一个层级元素;
<br />function tree_add_level($tree){<br />    foreach($tree as &$val){<br />    	if(!isset($val['_level'])){<br />    	    $val['_level']=0;//顶层为0<br />    	}<br />		if(isset($val['son'])){<br />            $val['son']['_level']=$val['_level']+1; //下级加1<br />            tree_add_level($val['son']);<br />        }<br />    }<br />    return $tree;<br />}<br /><br /><br />
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但是却提示语法错误,求解决方法,或者其他方式. 谢谢
------解决思路----------------------
你这个数组能粘贴出来吗,我测试一下
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