Create multi-level category using recursive function


well, Creating multi-level category system with PHP in not just a simple undertaking.
Many Developer usage different approach to manage this specific. They may possibly create 3 tables for initial level, subsequent level as well as 3rd level category (parent, sub category as well as sub sub cateogry).

The best method to acquire multi-level category using
recursive function
With this, let us build a database desk i. elizabeth category. shown below

Now time to get our hand dirty. Open your favorite editor, create a new file ‘category.php’ where we will list all category.
Create a new file i.e ‘class.php’ .Inside this we will create class and method to handle recursive function
also create a file to connect and select your database .i.e ‘config.php’


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  class cat{
 	public $child_cat_cid;

	function cat_list($p_cid=0,$space=''){
 	$q="SELECT * FROM category WHERE p_cid='$p_cid'";
	$r=mysql_query($q) or die(mysql_error());
		$space .="    ";
	if($count > 0){
			echo "".$space.$row['name']."";

Now we have created our class .Time to use this. So below in category.php , we have created a object from class ‘cat’ then access the method ‘cat_list’ as shown below


  require 'includes/config.php'; 
  require 'includes/class.php'; 
  $cat=new cat(); 
	mysql_query("INSERT INTO category (name,p_cid) VALUES('$name','$p_cid') ") or die(mysql_error()); 


<form action="" method="post"><select name="p_cid">
<option value="0">Select Category</option><?php $cat->cat_list(); ?>
Category : <input name="name" type="text" /> <input name="submit" type="submit" value="Submit" /></form>

After , you can access category.php in your localhost like http://localhost/php/category.php
Add some category and sub category inside this by selecting category as parent.
It’s ready to use php multi-level category .Follow Next tutorial to show products according to category selected .

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