How to get a list of articles related to a particular category from my other WordPress website?
How to get a list of articles related to a particular category from my other WordPress website?
Database
DB prefix not updating
DB prefix not updating
How do I get database rows from a custom table using wpdb?
How do I get database rows from a custom table using wpdb?
How do I use a database in a custom theme?
Alright, You did not mention if that data will be stored upon submission from front end or you want to manually put that in. But lets see the way I would handle form submissions and store email addresses. I would use contact form 7 along with its addon Flamingo. It will let you store all … Read more
wpdb Insert unknown post data dynamic foreach loop
wpdb Insert unknown post data dynamic foreach loop
Best Practice? – Saving multiple Values as Serialized Data / Saving each Value per Row / Dedicated Table
This is written on the assumption that this data will only be retrieved when the user ID is known, and always in full for that user. If any kind of filtering is needed, if you need to filter users themselves by this data, then this answer will no longer apply. One Row per User This … Read more
MySQL ‘duplicate entry’ error
MySQL ‘duplicate entry’ error
_wp_attachment_metadata is not being added to database when PDF files uploaded
_wp_attachment_metadata is not being added to database when PDF files uploaded
Link multiple user databases together?
Link multiple user databases together?
How to escape percentage sign(%) in sql query with $wpdb->prepare?
This is an incorrect use of prepare, that function is used to safely insert variables into queries. However the code in your question does this beforehand, bypassing the security function. E.g. What you did: $unsafesql = “INSERT $dangerousvariable”; $still_unsafe_sql = $wpdb->prepare( $sql, ” ); What it should be: $safe_sql = $wpdb->prepare( “INSERT %s”, $dangerousvariable );