The Paypal IPN returning invalid all the time is an old issue but I will try to help you to solve this issue. I will show you two methods on how to solve this problem, first method is very simple, this is not actually a method bec

In this tutorial I will show you how to update merchang preferences in paypal billing plan, even if there are a lot of tutorials and paypal's documentaiton is pretty good, they have some issues already opened on gitrhub from last

In the last tutorial about changing the page URL we used history pushstate, and in this part of tutorial seriers I will show you another method to change the page url without refresh but this time we will use window location hash.

Even if there are a lot of tutorials out there on how to change password in symfony, it took some time to find a nice method to check if the old password written by the user is the same with the one from database. If you will try

As you already know social media change their API for share content from website pretty fast, so if you implement a functionality and it's working after a while it may not work anymore, but you still have the mothod with URL param

With the following code you will be able to create youtube playlist player using just few lines of javascript. You need to provide your chanel id and playlist id, you can get them from url when you open up your chanel in youtube.

If you need to implement a custom form and upload images in prestashop you are in the right place because I will show you the entire code you will need to implement to achive this functionality. This tutorial is for prestashop 1.7

This tutorial will show you how to export all your woocommerce shop orders in xml file. We will use woocommerce default functions to get all the data we need to generate the xml then when we will access a specific link the xml wil

Excel is among the most used file types to export your website data, so in this tutorial I will show you how to export html to excel using php. It's not that hard I will give you the main class of this functionality, then you only

In the last tutorial I showed you how to create a new custom post type with contact form 7. Now I will show you how to update any acf fields at contact form 7 submission. If you don't know how to create a custom post type install

Sometimes this action is a required one, especially when your website has a contact form thourgh users can register its own posts. So in this tutorial we will create a post in our custom post type from wordpress at every contact f

In this tutorial I will show you how to detect when ajax finished, why you should know when this event is over? Sometimes you need to call other functions which must be used on certain pages or should be fired when a class is foun

What is actually a custom plugin for smarty in prestashop, is a code syntax defined by you and when smarty find that syntax will call a custom function, the function which you tell what should do. In this tutorial I will show you

Here is how you can create a database table at the module instalation. If you have a small module you can save all settings in prestashop settings table, but if you need to save large data you need a new table only for your module

In this tutorial I will shoud you how to create custom shortcodes in prestashop. Prestashop does not come with this type of functionality so we will need to create it from scratch. For this example I will use an admin module creat

If you made some changes in httpd.conf file you probable notice that all your changes are removed after a while, anyway the time to be removed can vary 2-3 weeks. In the following I will show you how to change the httpd.conf file

We passed together step by step the process to implement a custom tempalate for admin controller and we have create a sub-page (an edit page) for the main template. Now, in this tutorial I will show you how to save data from a cus

If you already know how to create a custom page for admin controller you can follow this tutorial and I will show you how to create a sub page of the main custom template admin controller, if not you can follow our tutorial for cu

In this tutorial I will show you how to assign custom template a an admin controller in prestashop. This code can be used if you already have a controller created because I will put a little below the functions which will add the

In this tutorial I will show you step-by-step how to implement a module from scratch and create a custom template for admin controller and show it as a tab in the left back office menu. Is quite complicated to implement this funct

I will show you how to implement a new module in prestashop and how to create an options page for the module step by step. This is not very complicated you need to do only few steps to achive this.  First of all you need to go i

It's not that simple to access variable in header.tpl especially if you are beginner with Prestashop. To achive this task you need to override the Prestashop FrontController and there you can assign to smarty a new variable then y

Even if cache documentation exists in symfony website, I have not been able to find a good tutorial for how to activate or implement symfony cache system. So, I tried several methods until succeeded to implement the cache. Anyway

Even if contact form 7 comes with many validation rules for its fields, sometimes you need a custom validation rule for a certain fields. Today we will task as an example the phone number where we will add a custom regex function

In your daily tasks sometimes you need to export some data to a file format the most used being PDF, Excel or CSV. Today, in this tutoial I will show you how to export a html table to csv using just javascript. With few lines of j

In the last tutorial we talked about one method with which you can click through an overlay by jquery or other structure. As I said in the part one of this tutorial that method where you use css to achive this is not so good becau

Sometimes doe to the requirements of a project you need to implement a functionality when you need to click through an overlay to get the element behind that overlay, this can be achived in many ways but for me only one method wor

In this tutorial I will show you how to add a link in a contact form 7 checbox. Now we need more than ever to add links in checkboxes due to new GDPR rules because the user must agree with our terms and conditions and we need to h

In this tutorial we will talk about how to add new option in wordpress table named wp options by ajax. I have just used this approach in one of my plugins and I decided to show you an example if you ever need it. It's very simple

In this article you find all the necessary code to implement wordpress pagination in your blog, or on a custom template. It does not matter if you query for normal wordpress posts or for a specific custom post type. First of all

To the current project I am working on I had to add this functionliaty, and let the users add their owns tags when they need. All the implementation of this plugin was a success I implemented the itemAdded event too, but when I te

Once in a while you need to implement a tag functionlity, where you will be able to add any tag you need then send it by a form or ajax in a server side to save it in a database. In this article I will show you how I did when I ha

In last article we used the command to get all running process from our server. In the following I will show you how to kill a process which is running in the background in centos. To achieve this you only need a two words command

In each server there are a lot of running processes which help the system work corectly. In some cases you can run your own script to achieve a certain functionality, if you run the script in background that means it will run all

Let's say you get some JSON response back and it has a lot of HTML characters. You need to decode HTML characters to normal text in order to append the new value to front end. The following JSON response is an example of html cha

To make a dropdown from scratch it is not that hard but you have to take care of a few things like check it on all devices (tablets and mobile device) and you have to be careful at overlapping issues. Anyway I used first time drop

It's not that hard to implement a simple jquery ajax call in your wordpress to get a post by its id for instance. In the following we will make this functionality from scratch, to implement this we will need to create a new file i

Sometimes you need to detect add to cart action in woocommerce.  Once the customer has added any product in cart we will be able to notice him, or we can fire any event we need. For this action you need to have Ajax option "Enabl

This is part 2 from our tutorial about how to implement a new news pages in wordpress from scratch. In this part we only make the css style for item posts, and add a more details button to the post. You will see in the following c

In this Tutorial I will show you how to add a new wordpress page to your website.  You will see, we will implement this page with few lines of code and everything will work as expected. The HTML and PHP code are here: <?php

In this example we will use slick slider because is fully responsive and is very customizable you can move arrows/dots when you need with built in functionality, or you can create your own html for arrows and so on. Basically all

Even if you make a website with ajax or you have to add a string in the url when you activate a tab by javascript, you need to do this manually.  One method would be hashtag, to add a hastag to url you have to use the following

Nowadays more and more peoples browses the internet on mobile phones so we have to create the perfect environment and few some nice aniations will increase the change for that visitor to come back to your website. To achieve the

There are many reasons why you should use icons font insted of images. The most used method for icons is font awesome. Another alternative would be ico moon but for this you have to pay. Even if is costly icomoon offers you nice f

Nowadays there is no website if it is not responsive. Among the first things you have to do is to make a responsive menu for your website. On desktop you can let the menu as a list, but on the smaller devices you can't do this bec

In this tutorial I will show you how to rotoate a div with few lines of html and some css3 transitions. The easiest way to rotate a div when you hover on his parent, is to put it with absolute position inside his parent, then whe

Some css animations on you website can make your website more beautiful especially if you add animations as needed. Let's assume we have a list of items on our page, when you hover on them we want to add a background. Our animati

There are few ways to animate a svg. The easiest way to animate a svg is with css. So, the first thing we will do is build the svg, then we will create a keyframe to animate the way how the svg is writed. <svg width="200" heig

In the last post we learnt how to add a class by jquery. Now we will add a class on first click, then on the second we will remove the class. To accomplish this the first we have to do load up the jquery library, we learnt this i

For a frontend programmers is vital to know how to add a class on click, or when document is ready. There is nothing complicated in adding a class when an element is clicked. Here we will learn all necesary steps to add a class.

There are some ways to do that. The easies way to do this is to make the elements behave like a tabel, as you probably know when you work with tables if you declare on "td" - "vertical-align:middle", all tds will be centered ver

To create this countdown we will use this plugin. The Final Countdown is a plugin tailored to be used in any layout, without any CSS/HTML dependency. The goal was to fit and mimic differents countdown styles as you see out there

How to create an aware direction hover effect with css and javascript. The following code will create a nice hover effect when you put the cursor on the gallery thumbnail. To achieve this effect you need an overlay which will st

Even if Ion auth has enough validation rules for form inputs, sometimes you have to check if the password is strength enough.  One of the fastest way to achieve this functionality is the following check.   $password = $thi

Among options to validate the strength of password is also found this one. You can change the default settings for Ion Auth password strength validation from config.php. Digits Required For Password $config['min_digits_for_pass

Ion auth is an authentication library for Codeigniter framework, easy to use, change or add custom functions to it. To set minimum or maximum password length in codeigniter you have to find the config.php file. These lines do th

To accomplish this functionality you have to make a GET call by javascript, in this call you have to pass the ID of product. Below you can see an example for this action. HTML: <div class="add_to_cart"> <a href="#" d