Create New Category on Wordpress Front End WordPress

Jack comments:

This works beautifully. Thank you!
Are you able to adapt it as per the conversation with Just Me, below?

Arnav Joy comments:

For the category existent validation , I have checked it in my above code and for this newly added category to make as subcategory , you have to add parent id to the function as follows:-

<?php

/*Template Name: Add Category*/

get_header();

if(isset($_POST['submit'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );



//If not create new category

if($cat_ID == 0) {

$cat_name = $_POST['newcat'];

$parenCatID = 0; // pass here the parent id of the category

$new_cat_ID = wp_create_category($cat_name,$parenCatID);

}

}

?>



Also if you want me to make this as dynamic then let me know

Jack comments:

Thanks but I'm a little lost here.

What I'd like ideally, is for an inline message to display below the input, that says "That category already exists" or something, if typing a duplicate project.

It would also be good to have 2 input boxes and a drop down. The top with the main category input and the bottom with the ability to add a subcategory to one in the middle which is a drop down of recently created categories.

Is that possible?

Arnav Joy comments:

ok i a, doing it.

Arnav Joy comments:

Here is the full template code

<?php

/*Template Name: Add Category*/

get_header();

if(isset($_POST['submit'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );

//If not create new category

if($cat_ID == 0) {

$cat_name = $_POST['newcat'];

$parenCatID = $_POST['cat-parent'];

$new_cat_ID = wp_create_category($cat_name,$parenCatID);

echo 'Category added successfully.';
}

else {echo 'A category with the same name exists';}
}

?>

<div id="primary">

<div id="content" role="main">

Form for creating category

<form action="" method="post">

Enter Category Title <input type="text" name="newcat" value="" /><br />

Select Parent Category
<select name="cat-parent" >
<option value="0"><?php echo esc_attr(__('Select Category')); ?></option>
<?php
$categories= get_categories(array('orderby ' => 'id' , 'order' => 'DESC'));
foreach ($categories as $category) {
$option = '<option value="'.$category->term_id.'">';
$option .= $category->cat_name;
$option .= '</option>';
echo $option;
}
?>
</select><br />

<input type="submit" name="submit" value="Submit" />

</form>

</div><!-- #content -->

</div><!-- #primary -->

<?php get_footer(); ?>

Arnav Joy comments:

i think you are looking for this form

<?php

/*Template Name: Add Category*/

get_header();

if(isset($_POST['submit'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );

//If not create new category

if($cat_ID == 0) {

$cat_name = $_POST['newcat'];

$parenCatID = 0;

$new_cat_ID = wp_create_category($cat_name,$parenCatID);

echo 'Category added successfully.<br />';
}

else {echo 'That category already exists<br />';}


$cat_ID = get_cat_ID( $_POST['newcat'] );

//If not create new category
if(!empty($_REQUEST['newsubcat'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );

if($cat_ID == 0) {

$cat_name = $_POST['newsubcat'];

$parenCatID = $_POST['cat-parent'];

$new_cat_ID = wp_create_category($cat_name,$parenCatID);

echo 'Sub Category added successfully.<br />';
}

else {echo 'That Sub category already exists<br />';}
}
}
?>

<div id="primary">

<div id="content" role="main">

Form for creating category

<form action="" method="post">

Enter New Category Title <input type="text" name="newcat" value="" /><br />

Select Parent Category
<select name="cat-parent" >
<option value="0"><?php echo esc_attr(__('Select Category')); ?></option>
<?php
$categories= get_categories(array('orderby ' => 'id' , 'order' => 'DESC'));
foreach ($categories as $category) {
$option = '<option value="'.$category->term_id.'">';
$option .= $category->cat_name;
$option .= '</option>';
echo $option;
}
?>
</select><br />

Enter New Sub Category Title <input type="text" name="newsubcat" value="" /><br />

<input type="submit" name="submit" value="Submit" />

</form>

</div><!-- #content -->

</div><!-- #primary -->

<?php get_footer(); ?>

Jack comments:

Perfect!

However, I create a new category. Click Submit and it saves and says Category Added.
When I then go down to add a sub-category, I type the sub-category title in the box and click the drop-down menu to attach it to a parent category but the category I just created isn't showing.

Any ideas?

Arnav Joy comments:

did you received any msg for that?

also find out following lines

if(!empty($_REQUEST['newsubcat'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );

see name of the variable "newcat" in above line

changed it to "newsubcat"

so the new code will be

if(!empty($_REQUEST['newsubcat'])){

$cat_ID = get_cat_ID( $_POST['newsubcat'] );

now try it after saving it

Jack comments:

Thanks. Tried it and doesn't work though. I've changed some of the titles a bit (i'm calling them Projects instead of Categories) but the idea is still the same. Here's my code:

<?php if(isset($_POST['submit'])){
$cat_ID = get_cat_ID( $_POST['newcat'] );

//Create new Project
if($cat_ID == 0) {
$cat_name = $_POST['newcat'];
$parenCatID = 0;
$new_cat_ID = wp_create_category($cat_name,$parenCatID);
echo 'Project Added<br />';
}

else {echo 'That Project already exists<br />';}
$cat_ID = get_cat_ID( $_POST['newcat'] );

//Creat new Project Folder
if(!empty($_REQUEST['newsubcat'])){
$cat_ID = get_cat_ID( $_POST['newsubcat'] );

if($cat_ID == 0) {
$cat_name = $_POST['newsubcat'];
$parenCatID = $_POST['cat-parent'];
$new_cat_ID = wp_create_category($cat_name,$parenCatID);
echo 'Project Folder added successfully.<br />';
}

else {echo 'That Project Folder already exists<br />';}
}
}

?>

Arnav Joy comments:

1.are you getting any msg sucess or fail?

2.also share your full code here

3. which wp version are you using

Jack comments:

I'm using Wordpress 3.4.
No message.
Code is here: [[LINK href="http://pastebin.com/YAbGHYs4"]][[/LINK]]

Jack comments:

Ok, i do get a message.

If i type something in the 'Add New Project Folder' (sub-category) field, and click submit, it says:
Project Added
Project Folder added successfully.

In case it's not clear, here's what i'm after:
First field is a single line text input that allows a user to add a new parent category and also check to see if it already exists or not.
Second field is a single line text input that allows a user to add a new sub-category, check to see if it already exists or not and add it to a parent category using a drop down box (3rd field).

At the moment, any new project is not being listed in the drop-down box. I'm guessing this is because it has no posts associated with it and is just an empty category. I really need this to be populated with a list of all categories though, whether empty or not and to show sub-categories too (denominated by a '-' beside them and listed under their parents).

Arnav Joy comments:

so the subcategory part also works , right?

Arnav Joy comments:

find following lines

$categories= get_categories(array('orderby ' => 'id' , 'order' => 'DESC' ));

and replace it with

$categories= get_categories(array('orderby ' => 'id' , 'order' => 'DESC' ,'hide_empty' => 0 ));

Jack comments:

Thanks. That now shows all the categories however, I cannot create a subcategory at all.
I type something in the bottom box (Add a new project folder), click the drop-down and select a parent category but it just adds it as a new parent instead.

Arnav Joy comments:

show me your full code

Arnav Joy comments:

find the following lines


<select name="cat-parent" >
<option value="0"><?php echo esc_attr(__('Select Category')); ?></option>
<?php
$categories= get_categories(array('orderby ' => 'id' , 'order' => 'DESC' ,'hide_empty' => 0 , 'hierarchical' => true));
foreach ($categories as $category) {
$option = '<option value="'.$category->term_id.'">';
$option .= $category->cat_name;
$option .= '</option>';
echo $option;
}
?>
</select>


replace it with
<?php wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'cat-parent' , 'orderby ' => 'id' , 'order' => 'DESC' , 'hierarchical' => true , 'show_option_none' => 'Select category'));?><br />

so you will get category dropdown with parent child relationahip

Jack comments:

Hi Sorry,
Been with a client for most of the day.

I will next have a chance to look at the code on Wednesday. I'll get back to you about it then.

Thanks.
-Jack

Jack comments:

This is great and works perfectly however, it gives me a 'Category Added' message as well as the 'Sub-category added' confirmation message when only creating a new sub-category.

Arnav Joy comments:

ok i will correct it

Arnav Joy comments:

Use following code
<?php



/*Template Name: Add Category*/



get_header();



if(isset($_POST['submit'])){

if(!empty($_REQUEST['newcat'])){

$cat_ID = get_cat_ID( $_POST['newcat'] );



//If not create new category



if($cat_ID == 0) {



$cat_name = $_POST['newcat'];



$parenCatID = 0;



$new_cat_ID = wp_create_category($cat_name,$parenCatID);



echo 'Category added successfully.<br />';

}



else {echo 'That category already exists<br />';}


}



if(!empty($_REQUEST['newsubcat'])){



$cat_ID = get_cat_ID( $_POST['newcat'] );



if($cat_ID == 0) {



$cat_name = $_POST['newsubcat'];



$parenCatID = $_POST['cat-parent'];



$new_cat_ID = wp_create_category($cat_name,$parenCatID);



echo 'Sub Category added successfully.<br />';

}



else {echo 'That Sub category already exists<br />';}

}

}

?>

above following line
<div id="primary">

just replace all the <?php ?> content

Jack comments:

Works perfectly!
Thank you!