echo数组单元的值不全解决方案

echo数组单元的值不全
数组的为

Array
(
    [title] => 初一上册数学测试题
    [id] => 6
    [subject] => 14
    [parts] => [["单选","100",1]]
    [topic] => [["1","100"]]
    [json] => [["6","
小红做一道数学题“ ';color:rgb(0,0,0);font-weight:bold;font-size:14px;font-family:
    [#39;'>两个多项式 'font-family:Times New Roman'>A