on change form submit variable value not updating
-
21-04-2021 - |
سؤال
I try to make custom theme option, a switch select option can change $bannerchange value. but i cannot add/update value of $bannerchange, select option inside a form. working fine with submit button but come to onchange="this.form.submit()
the select option not changing.
<?php
if(isset($_POST['wphw_submit'])){
wphw_opt();
}
function wphw_opt(){
$bannerchange = $_POST['bannerchange'];
if( get_option('bannerchange') != $bannerchange) {
$chk = update_option( 'bannerchange', $bannerchange);
}
}?>
<form method="post" action="">
<select name="bannerchange" onchange="this.form.submit()">
<option value="page1"<?php if (get_option('bannerchange') == "page1") { echo " selected"; } ?>>Custom Departure</option>
<option value="page2"<?php if (get_option('bannerchange') == "page2") { echo " selected"; } ?>>Fixed Departure</option>
</select>
<input type="submit" name="wphw_submit" value="Save changes" class="button-primary" />
</form><?php
switch ($bannerchange) {
case 'page2':
break;
case 'page1':
break;
}
$bannerchange get always undefined. I can debug this problem with straight way? any help greatly appreciated.
المحلول
I fixed myself we can submit a form by triggering submit button click event:
jQuery(document).ready(function() {
jQuery('#bannerchange').on('change', function() {
var $form = jQuery(this).closest('form');
$form.find('input[type=submit]').click();
});
});
لا تنتمي إلى wordpress.stackexchange