php7.0 array assignment problem reporting error

Question

Hello everyone, I am a newbie and I get an error when assigning values ​​to an array. I don’t know if it is a problem with my code or a problem with php7.0. <?php
header("Content-type:text/html;charset=utf-8");
include ('mysql_pdo.php');
if (isset ($_POST['submit']))&

php7.0 array assignment problem reporting error

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