Solution: copy PHP content to the online editor and add the solution to the database.

Solution: Copy the PHP file to the online editor. if the file cannot be added to the database, kinderEditor is used. You can add the manually entered content to the database. However, the copied content from WORD or notepad cannot be added to the database, and no error is prompted. Through echo $ SQL; solution: the content copied from PHP to the online editor cannot be added to the database.
The editor is kinderEditor.
You can add the manually entered content to the database.
However, the copied content from WORD or notepad cannot be added to the database, and no error is prompted.
Through echo $ SQL; you can see that the content is correct, that is, it cannot be added to the database.

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Run your $ SQL statement in mysql to check whether the SQL statement is successful.

Check the length of your field settings to see if there are any problems.
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