Boilerplate WordPress Plugin Development Tutorials #11 Prepare Methods of WordPress | $wpdb prepare

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Boilerplate WordPress Plugin Development Tutorials #11 Prepare Methods of WordPress | $wpdb prepare

Prepared Method with $wpdb Query
==================================
Sometimes we might take some data from the user in case of a form or something else
and make it as a part of the query. This can cause problems in case there is SQL
injection on the query. In SQL injection the attacker injects a query in a forms
value which you will use to create a database query. This queries can be as hazardous
as dumping the complete database to deleting the database.

The wpdb prepare method should be used to protect oner against SQL injection. The
prepare method is very similar to the printf method which takes in a query and then
parameter values to be substituted.

$wpdb-get_results(
$wpdb-prepare(“Query with placeholders %s %d”, [value1], [value2])
);

%s = For String values

%d = For Integer values

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