Tips & Tutorials

Welcome to a tutorial on the various ways to encrypt, decrypt, and verify passwords in PHP. Since you are reading this guide, I will assume that you are looking for ways to create a more secure system. Yes, I understand that we are web developers and not security experts. But security is a big concern, […]

Welcome to a quick tutorial and examples of how to send an email in PHP. New to PHP and need to send out emails? It is actually very straightforward. There are 2 common ways to send emails in PHP. Use the native mail function – mail(“jon@doe.com”, “Subject”, “Message”); Use the PHPMailer library. $mail = new

Welcome to a quick tutorial and examples of PHP callback functions. Functions are one of the most basic things that we learn in PHP, then come along with this “callback function” thing… So, just what is a callback? In simple terms, a callback function is: A function that is passed into another function as a

Welcome to a quick tutorial on how to export data from MYSQL to an Excel Spreadsheet. Need to export some data from the database into Excel spreadsheets? Sadly, PHP is unable to generate Excel files natively. To export data from MySQL to an Excel Spreadsheet: We need to use a third-party library to generate Excel

Welcome to a quick tutorial on how to store and retrieve HTML code with PHP and MySQL. Are you trying to create a custom content management system (CMS), a template system, or maybe you want to accept code snippet contributions from users? HTML code can be stored in a regular database text field. For example

Welcome to a tutorial on how to restrict the upload file size in PHP. So you want to set a limit, or change the maximum upload file size in PHP? To enforce or change the upload file size limit in PHP: We can set the upload_max_filesize and post_max_size directives in php.ini. upload_max_filesize = 10M post_max_size

Welcome to a quick tutorial on how to restrict the upload file type in PHP. So you have a project that allows users to upload their files, but want to allow only certain file extensions? Maybe images for the profile picture, or documents for importing? To restrict the upload file types in PHP: We can

Welcome to a tutorial on how to create a feedback system with PHP and MySQL. So you want to collect some feedback or do a quick survey from your users? Here is a quick sharing of my simple build – Read on!     TABLE OF CONTENTS Download & Notes PHP Feedback System Extras The

Welcome to a quick tutorial on how to get the full URL and URL parts in PHP. Need to get the path, base, domain, or query string from the URL? In Javascript, we can pretty much get all this information with just one line of code. But sadly in PHP, things are a little… backward.