You need to set the selected attribute of the correct option tag: ... <select> <option value="January"<?php if ($row[month] == 'January') ... ... <看更多>

The reason your $item == $option condition is always failing is because of the way PHP compares floats! Try the following instead: ... <看更多>

<select> <option value="0" data-foo="bar">option one</option> ... </select> ... Select2 can react to external value changes and keep its selection in-sync. ... <看更多>

If there's no option element with the selected attribute, then the first element is ... <?php // Filling out my select with real values ?> ... ... <看更多>