Welcome to a tutorial on how to build an AJAX-driven events calendar with PHP and MySQL. Looking to add some organizational features to your project? Too many calendars out there that are too complicated? A simple PHP MySQL calendar only consists of a few key components: A database table to store the events. A PHP …
Simple Events Calendar With PHP MySQL (Free Code Download) Read More »
So you have a PHP project that needs to call a Python script to do some processing? There are 4 possible ways to call a Python script from PHP: Call the Python script in the command line, using shell_exec() or exec(). Set the Python script as an API endpoint, and do a CURL call from …
Welcome to a tutorial and example on how to implement WebAuthn in PHP. So you have heard that it is possible for web apps to authenticate using biometrics, “face login”, NFC token, USB passkey, and whatever “passwordless” means. The magic behind is actually the Web Authentication API. In the simplest manner, the Web Authentication API …
Simple PHP WebAuthn (Biometric, NFC, Passkey, ETC…) Read More »
Welcome to a quick tutorial on how to create a one-time password (OTP) in PHP and MySQL. Need extra security for ordering, confirmation, payments, or transactions? An OTP process in PHP typically involves: Generating a random OTP on request. Save it into the database, and send it to the user. The user accesses a challenge …
Welcome to a tutorial on how to convert the image file format in PHP – From JPG to WEBP, from PNG to JPG, from PNG to WEBP, and whatever else. To convert JPG to WEBP in PHP: Open the original image – $img = imagecreatefromjpeg(“IMG.JPG”); Set the color palette – imagepalettetotruecolor($img); Convert and save the …
So you are trying to implement “login with Google” in your project, only to find confusing documentation all over the Internet? Well, let’s simplify the steps here. Create a new project at the Google API dashboard, set up OAuth consent, and get the API credentials. Using the Google API client library, create a “login with …
Welcome to a tutorial on how to convert HTML to an image in PHP. So you have a PHP project that needs to convert HTML into an image? Bad news, there are no free “HTML to image” libraries at the time of writing. There are 4 possible ways to convert HTML to an image in …
Welcome to a quick tutorial on how to read an Excel file and display it in HTML. So you have an Excel file, and want to display it on an HTML webpage? PHP does not have native functions to read Excel files, but we can use the PHPSpreadSheet library to read Excel files and output …
After spending some time setting up your web server and writing up the scripts, the PHP mail function is not sending emails out as expected. Tutorials from all over the Internet show different solutions, and just what the heck is happening!? How do we fix it? PHP mail requires a mail delivery server (SMTP) to …
PHP Mail Not Working Not Sending (How To Fix It!) Read More »
Welcome to a quick tutorial on how to send JSON data from Javascript to PHP. So you need to send some “JSON data” from Javascript to a PHP script? Long story short: Use JSON.stringfy() in Javascript to encode an array/object into a string, then send it to PHP accordingly: var form = new FormData(); form.append(“data”, …
Javascript Send JSON Data To PHP (Simple Examples) Read More »
