array(0) {
}
<br />
<b>Warning</b>:  Undefined array key "class" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>20</b><br />
<br />
<b>Warning</b>:  Undefined array key "start_time" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>22</b><br />
<br />
<b>Warning</b>:  Undefined array key "end_time" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>24</b><br />
<br />
<b>Warning</b>:  Undefined array key "location" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>26</b><br />
<br />
<b>Warning</b>:  Undefined array key "class_type" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>28</b><br />
<br />
<b>Warning</b>:  Undefined array key "id" in <b>/home/zcgreen/public_html/acad276/classUpdate3.php</b> on line <b>30</b><br />
<hr>
    UPDATE class_schedule
    SET class_id = '', 
        start_time_id = '',
        end_time_id = '',
        location_id = '',
        class_type_id = ''

    WHERE meeting_id = 
<hr>RESPONSE:<hr>DB ERROR!<br> You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 8<hr>