<?php
$name = "product_"
$lens = strlen($name - 8);
$id = substr($name , 8 , $lens);
$query = query("SELECT * FROM product WHERE product_id= ".escape_string($id)." ");
?>
我想要获取产品的id,但当我尝试它时,我看到:
中遇到的非数字值($name- 8);
有没有别的办法呢?
https://stackoverflow.com/questions/51508993
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