echo数组单元的值不全解决方案

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Array<br>
(<br>
    [title] => 初一上册数学测试题<br>
    [id] => 6<br>
    [subject] => 14<br>
    [parts] => [["单选","100",1]]<br>
    [topic] => [["1","100"]]<br>
    [json] => [["6","<p style="text-indent:28px;line-height:200%"><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
    [#39;">小红做一道数学题“</span><span_style] ==""> ';color:rgb(0,0,0);font-weight:bold;font-size:14px;font-family:<br>
    [#39;'>两个多项式<span_style] ==""> 'font-family:Times New Roman'>A<span style="font-family:宋体">、</span><span style="font-family:Times New Roman">B</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">B</span><span style="font-family:宋体">为</span><img src="new/2019-09-21-201921/spacer.gif" word_img="file:///C:\Users\hp\AppData\Local\Temp\ksohtml\wps_clip_image-14927.png" style="background:url(http://www.exam.com/Public/Js/Home/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" height="22" width="83"><span style=";color:rgb(0,0,0);font-weight:bold;font-size:14px;font-family:<br />
    [#39;">，试求<span_style] ==""> 'font-family:Times New Roman'>A B</span_style]></span><span style="font-family:宋体">的值</span><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
    [#39;">”。小红误将<span_style] ==""> 'font-family:Times New Roman'>A B</span_style]></span><span style="font-family:宋体">看成</span><span style="font-family:Times New Roman">A</span><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
    [#39;">－</span><span_style] ==""> ';color:rgb(0,0,0);font-size:14px;font-family:<br>
    [#39;'>B<span_style] ==""> 'font-family:宋体'>，结果答案（计算正确）为<img src="new/2019-09-21-201921/spacer.gif" word_img="file:///C:\Users\hp\AppData\Local\Temp\ksohtml\wps_clip_image-30836.png" style="background:url(http://www.exam.com/Public/Js/Home/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" height="22" width="110"><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
    [#39;">．</span></span_style]></span_style]></span_style]></span_style]></p><p_style] ==""> 'text-indent:21px;line-height:200%'><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
    [#39;">（<span_style] ==""> 'font-family:Times New Roman'>2</span_style]></span><span style="font-family:宋体">）求出当</span><span style=";color:rgb(0,0,0);font-style:italic;font-size:14px;font-family:<br />
    [#39;">x</span><span_style] ==""> ';color:rgb(0,0,0);font-size:14px;font-family:<br>
    [#39;'>] => 3<span style="font-family:宋体">时</span><span style="font-family:Times New Roman">A B</span><span style="font-family:宋体">的值</span><span style="font-family:Times New Roman">.</span><p></p><p><br></p>",1,"100"]]<br>
    [total] => 100<br>
)<br>
</span_style]></p_style]>

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[["6","<p style="text-indent:28px;line-height:200%"><span style=";color:rgb(0,0,0);font-size:14px;font-family:<br />
</pre><br />
这是为毛，命名数组里都有，可是打印单独的值却显示不全，哪位大大能够指点迷津，不甚感激!!!
              
                
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              <p></p><br><font color="#FF8000">------解决方案--------------------</font><br>请