So, here's the deal:
I have two category dropdowns, the first for the parent categories and the second for the child categories. They form a chain so that when you select the parent category the second dropdown will be populated with its child categories. Here's the code in the form itself:
<script type="text/javascript">
$(function()
{
$('#main_cat').change(function()
{
var $mainCat=$('#main_cat').val();
// call ajax
$("#sub_cat").empty();
$.ajax
(
{
url:"<?php bloginfo('wpurl'); ?>/wp-admin/admin-ajax.php",
type:'POST',
data:'action=my_special_ajax_call&main_catid=' + $mainCat,
success:function(results)
{
// alert(results);
$("#sub_cat").removeAttr("disabled");
$("#sub_cat").append(results);
}
}
);
});
});
</script>
<fieldset class="site-url" class="fieldset-first">
<?php wp_dropdown_categories('show_count=0&selected=-1&hierarchical=1&depth=1&hide_empty=0&exclude=1&show_option_none=Main Categories&name=main_cat&taxonomy=category');
?>
</fieldset>
<fieldset class="site-url" class="fieldset-first">
<select name="sub_cat" id="sub_cat" disabled="disabled"></select>
</fieldset>
Here's the code in functions.php:
function implement_ajax() {
if(isset($_POST['main_catid']))
{
$categories= get_categories('child_of='.$_POST['main_catid'].'&hide_empty=0'.'&taxonomy=category'.'&show_count=0');
foreach ($categories as $cat) {
$option .= '<option value="'.$cat->term_id.'">';
$option .= $cat->cat_name;
$option .= ' ('.$cat->category_count.')';
$option .= '</option>';
}
echo '<option value="-1" selected="selected">Sub Categories</option>'.$option;
die();
} // end if
}
add_action('wp_ajax_my_special_ajax_call', 'implement_ajax');
add_action('wp_ajax_nopriv_my_special_ajax_call', 'implement_ajax');
The problem is that when saving the values like this:
'post_category' => array($_POST['main_cat']),
I'll only get the parent category saved for the post. How on earth can I have the parent AND the child categories both saved? Bear in mind that only one category should be selected from each dropdown, no multiples.
Cheers!
UPDATED WITH WHOLE POST POSTING/SAVING CODE BELOW:
<?php
if( 'POST' == $_SERVER['REQUEST_METHOD'] && !empty( $_POST['action'] ) && $_POST['action'] == "new_post") {
// Do some minor form validation to make sure there is content
require_once('recaptchalib.php');
$privatekey="Oh dear I shouldn't have put my super private API key here for all to see!";
$resp = recaptcha_check_answer ($privatekey,
$_SERVER["REMOTE_ADDR"],
$_POST["my_recapthca_challange_field"],
$_POST["recaptcha_response_field"]);
if ($resp->is_valid) {
if (isset ($_POST['title'])) {
$title = $_POST['title'];
$_SESSION['form_values']['title'] = $_POST['title'];
}
if (isset ($_POST['site-link'])) {
$siteurl = $_POST['site-link'];
$_SESSION['form_values']['site-link'] = $_POST['site-link'];
}
if (isset ($_POST['first-url'])) {
$firsturl = $_POST['first-url'];
$_SESSION['form_values']['first-url'] = $_POST['first-url'];
}
if (isset ($_POST['price'])) {
$price = $_POST['price'];
$_SESSION['form_values']['price'] = $_POST['price'];
}
if (isset ($_POST['name'])) {
$devname = $_POST['name'];
$_SESSION['form_values']['name'] = $_POST['name'];
}
if (isset ($_POST['second-url'])) {
$secondurl = $_POST['second-url'];
$_SESSION['form_values']['second-url'] = $_POST['second-url'];
}
if (isset ($_POST['country'])) {
$devcountry = $_POST['country'];
$_SESSION['form_values']['country'] = $_POST['country'];
}
if ($_POST['twitter']=="Twitter Username" || $_POST['twitter']=="Not Available") {
$twitter = "Not Available";
$_SESSION['form_values']['twitter'] = $twitter;
}else {
$twitter = $_POST['twitter'];
$_SESSION['form_values']['twitter'] = $_POST['twitter'];
}
$design = $_POST['design'];
if ($design=="yes"){$design = "Yes, this is new!";}
else {$design="No, this is old!";}
$related = $_POST['related'];
if ($related=="yes"){$related = "Yes, this is related!";}
else {$related="No, this is not related!";}
$responds = $_POST['responds'];
if ($responds=="yes"){$responds = "Yes";}
else {$responds="No";}
$locale = $_POST['locale'];
if ($locale=="yes"){$locale = "Yes";}
else {$locale="No";}
$widgets = $_POST['widgets'];
if ($widgets=="yes"){$widgets = "Yes";}
else {$widgets="No";}
$skins = $_POST['skins'];
if ($skins=="yes"){$skins = "Yes";}
else {$skins="No";}
$contact = $_POST['contact'];
if ($contact=="yes"){$contact = "Yes";}
else {$contact="No";}
$press = $_POST['press'];
if ($press=="yes"){$press = "Yes";}
else {$press="No";}
$comm = $_POST['comm'];
if ($comm=="yes"){$comm = "Yes";}
else {$comm="No";}
$page = $_POST['page'];
if ($page=="yes"){$page = "Yes";}
else {$page="No";}
$psd = $_POST['psd'];
if ($psd=="yes"){$psd = "Yes";}
else {$psd="No";}
$format = $_POST['format'];
if ($format=="yes"){$format = "Yes";}
else {$format="No";}
$codes = $_POST['codes'];
if ($codes=="yes"){$codes = "Yes";}
else {$codes="No";}
if ($_FILES['image']['error']==0) {
// ADD THE FORM INPUT TO $new_post ARRAY
$new_post = array(
'post_title' => $title,
'post_category' => array($_POST['main_cat']),
'post_status' => 'draft',
'post_type' => 'post'
);
$pid = wp_insert_post($new_post);
add_post_meta($pid, 'URL', $siteurl, true);
add_post_meta($pid, 'Name', $name, true);
add_post_meta($pid, 'First URL', $firsturl, true);
add_post_meta($pid, 'Country', $country, true);
add_post_meta($pid, 'Twitter', $twitter, true);
add_post_meta($pid, 'Redesign', $redesign, true);
add_post_meta($pid, 'Related', $related, true);
add_post_meta($pid, 'Responds', $responds, true);
add_post_meta($pid, 'Locale', $locale, true);
add_post_meta($pid, 'Widgets', $widgets, true);
add_post_meta($pid, 'Skins', $skins, true);
add_post_meta($pid, 'Contact', $contact, true);
add_post_meta($pid, 'Press', $press, true);
add_post_meta($pid, 'Comm', $comm, true);
add_post_meta($pid, 'Page', $page, true);
add_post_meta($pid, 'PSD', $psd, true);
add_post_meta($pid, 'Format', $format, true);
add_post_meta($pid, 'Second URL', $secondurl, true);
add_post_meta($pid, 'Price', $price, true);
add_post_meta($pid, 'Codes', $codes, true);
wp_set_post_categories($post_id, $_POST['main_cat']);
wp_set_post_tags($post_id, $_POST['post_tags']);
foreach ($_FILES as $file => $array) {
$newupload = insert_attachment($file,$pid);
}
$imagedata = simplexml_load_string(get_the_post_thumbnail($pid));
$post_img = $imagedata->attributes()->src;
include_once("script/colors.inc.php");
$image = $post_img;
$ex=new GetMostCommonColors();
$ex->image = $image;
$colors=$ex->Get_Color();
$how_many=10;
$colors_key=array_keys($colors);
$colortag = $colors_key[1];
for ($i = 2; $i <= $how_many; $i++)
{
$colortag = $colortag.",".$colors_key[$i];
}
wp_set_post_tags($pid, $colortag);
$_SESSION['error_message'] = 'Submitted successfully.';
$_SESSION['form_values'] = array();
do_action('wp_insert_post', 'wp_insert_post');
}
} else {
if (isset ($_POST['title'])) {
$name = $_POST['title'];
$_SESSION['form_values']['title'] = $_POST['title'];
}
if (isset ($_POST['site-link'])) {
$siteurl = $_POST['site-link'];
$_SESSION['form_values']['site-link'] = $_POST['site-link'];
}
if (isset ($_POST['first-url'])) {
$firsturl = $_POST['first-url'];
$_SESSION['form_values']['first-url'] = $_POST['first-url'];
}
if (isset ($_POST['price'])) {
$price = $_POST['price'];
$_SESSION['form_values']['price'] = $_POST['price'];
}
if (isset ($_POST['name'])) {
$name = $_POST['name'];
$_SESSION['form_values']['name'] = $_POST['name'];
}
if (isset ($_POST['second-url'])) {
$secondurl = $_POST['dev-url'];
$_SESSION['form_values']['second-url'] = $_POST['second-url'];
}
if (isset ($_POST['country'])) {
$country = $_POST['country'];
$_SESSION['form_values']['country'] = $_POST['country'];
}
if ($_POST['twitter']=="Twitter Username" || $_POST['twitter']=="Not Available") {
$twitter = "Not Available";
$_SESSION['form_values']['twitter'] = $twitter;
}else {
$twitter = $_POST['twitter'];
$_SESSION['form_values']['twitter'] = $_POST['twitter'];
}
$redesign = $_POST['redesign'];
if ($redesign=="yes"){$redesign = "Yes, this is new!";}
else {$redesign="No, this is old!";}
$related = $_POST['related'];
if ($related=="yes"){$related = "Yes, this is related!";}
else {$related="No, this is not related!";}
$responds = $_POST['responds'];
if ($responds=="yes"){$responds = "Yes";}
else {$responds="No";}
$locale = $_POST['locale'];
if ($locale=="yes"){$locale = "Yes";}
else {$locale="No";}
$widgets = $_POST['widgets'];
if ($widgets=="yes"){$widgets = "Yes";}
else {$widgets="No";}
$skins = $_POST['skins'];
if ($skins=="yes"){$skins = "Yes";}
else {$skins="No";}
$contact = $_POST['contact'];
if ($contact=="yes"){$contact = "Yes";}
else {$contact="No";}
$press = $_POST['press'];
if ($press=="yes"){$press = "Yes";}
else {$press="No";}
$comm = $_POST['comm'];
if ($comm=="yes"){$comm = "Yes";}
else {$comm="No";}
$page = $_POST['page'];
if ($page=="yes"){$page = "Yes";}
else {$page="No";}
$psd = $_POST['psd'];
if ($psd=="yes"){$psd = "Yes";}
else {$psd="No";}
$format = $_POST['format'];
if ($format=="yes"){$format = "Yes";}
else {$format="No";}
$codes = $_POST['codes'];
if ($codes=="yes"){$codes = "Yes";}
else {$codes="No";}
$_SESSION['error_message'] = 'You will need to enter the correct captcha value. Please try again!';
}
}
?>
$fields = array('price,','first-url','site-link'); foreach($fields as $field){ if (isset ($_POST[$field])) { $$field = $_POST[$field]; $_SESSION['form_values'][$field] = $_POST[$field]; }