Novice can not understand PHP debugging in the browser error message, please help explain

PHP Debug Database

I small white, just start self-study, according to the book to write a simple blog example, Xampp+phpstorm, and then a run out of these information, ask the expert to help see.

PS: The routine used to MySQL, I am sure that the database connection is successful, in these information is displayed in the query statement output, but also to determine that no problem, just sandwiched between the middle of a completely do not know what the meaning, to seek expert guidance.

PS: My phpmyadmin can not use, dot what show loading, do not know if there is no relationship

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