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This article mainly shows you "thinkphp5 how to judge the existence of the table", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "thinkphp5 how to judge whether the table exists" this article.

Methods: 1. Judge by "$axim ()-> query ('SHOW TABLES LIKE" table name "); if ($a) {existence} else {table does not exist}"; 2, judge by "$axim (table name); if ($a-> getDbError ()) {table does not exist} else {existence}".

This article operating environment: Windows10 system, ThinkPHP5 version, Dell G3 computer.

How does thinkphp5 determine whether the table exists?

Thinkphp framework is a very easy to use and very powerful framework, it is the development habit of our people. Then when using the thinkphp framework, there is sometimes a need to determine whether a database table exists.

Here, we assume that we determine whether the users table exists:

$users = M ('users'); if ($users- > getDbError ()) {echo' data table does not exist!' ;} else {echo 'database exists!' ;}

Method 2:

$isTable = M ()-> query ('SHOW TABLES LIKE "table_name'); if ($isTable) {echo 'table exists';} else {echo 'table does not exist';} above is all the content of the article" how to determine whether a table exists or not ". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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