Home > Article > Backend Development > How to solve the problem that the where condition in the query database has fields, but the query is empty
How to solve the problem that the where condition in the query database has fields, but the query is empty
- 一个新手Original
- 2017-09-30 12:38:003836browse
This is a problem encountered in the ThinkPHP framework
The reason for this is:
There is a problem when writing the where statement:
eg： select datatype from t_loop where address = 2/2/41; 框架中where('address='.$address)
This query is empty,
select datatype from t_loop where address = '2/2/41'; 框架中where(['address'=>$address])
This query has a value
The above is the detailed content of How to solve the problem that the where condition in the query database has fields, but the query is empty. For more information, please follow other related articles on the PHP Chinese website!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Summary of the use of common regular expressions in forms in PHPNext article：Summary of the use of common regular expressions in forms in PHP