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There is no use for converting an integer to a string when you just need to display the result or for simple checking against a hardcoded known datatype value. Converting datatypes is only useful when you need to validate values strickly against a certain specific datatype. Your issue is that you do not exactly know how to test your values. 0, either an an ...


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As discussed in the comments, your database prefix settings are off-kilter. Check the database prefix actually in use in your database, and make sure it's the same as the one in wp-config.php. Also make sure all of your WordPress-related tables have the same prefix. You'll also need to search through your database, particularly in the _options table, as ...



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