PHP Tutorials

Tutorials, code snippets and articles relating to PHP.

Converting images into WebP files using PHP.

In this tutorial, we will show you how to convert JPEG and PNG files into the WebP format using PHP.

PHP: Convert cm or meters into feet and inches.

A short guide on how to convert meters or cm into feet and inches using PHP.

Installing required WordPress extensions for PHP 8.

A guide on how to install certain PHP 8 extensions for WordPress.

How to spoof an AJAX request using PHP.

A guide on how to spoof an AJAX request using PHP and cURL.

PHP: Get the server’s IP address.

A short guide on how to get the IP address of the current server using PHP.

Get tomorrow’s date using PHP.

A beginner’s tutorial on how to get tomorrow’s date using PHP.

PHP: Return cURL response as a string.

A guide on how to tell PHP’s cURL functions to return the response as a string instead of printing it out to the browser.

How to delete a file using PHP.

This is a tutorial on how to delete a file using PHP.

Passing JSON data to JavaScript using PHP.

This is a short tutorial on how to pass JSON data from PHP to JavaScript.

PHP: Setting the Content-Type of a cURL request.

This is a guide on how to set the Content-Type header using PHP’s cURL extension.

How to remove warnings in PHP.

In this guide, I will show you how to remove warning messages in PHP.

PHP: Ternary Operators.

This is a tutorial on how to use PHP’s ternary operator.

Spoofing MIME types: Why you can’t trust the type field in $_FILES.

This guide explains why you should NEVER ever trust the “type” field in PHP’s $_FILES array.

PHP: Upload a file using cURL.

This is a short tutorial on how to upload a file using PHP’s cURL extension.

Fix: PHP Fatal error: Function name must be a string.

In this guide, we will show you how to fix the PHP error “Fatal error: Function name must be a string.”

PHP: Check if a string contains a substring.

This is a PHP tutorial on how to check if a string contains a given substring.

PHP: Convert a string into lowercase.

In this tutorial, we will show you how to convert a string into lowercase using PHP.

PHP: Append an element to the end of an array.

This is a tutorial on how to append an element onto the end of a PHP array.

Fix: POST Content-Length of X bytes exceeds the limit of X bytes.

In this guide, we will show you how to fix PHP warnings about the POST Content-Length exceeding the post_max_size limit.

How to upload a file using PHP.

This is a tutorial on how to upload a file using PHP

PHP: Calculate the difference in weeks between two dates.

In this PHP tutorial, we will show you how to calculate the number of weeks that occurred between two given dates.

PHP: Export MySQL data to an Excel file.

This is a tutorial on how to export MySQL data to an Excel file using PHP.

How to find the location of your PHP error log.

In this tutorial, we will show you how the ini_get function can help you quickly find the location of PHP’s error log.

How to get the middle index of a PHP array.

This is a tutorial on how to get the middle index of a PHP array.

Where is my php.ini file located?

This is a guide on how to find the location of your php.ini file.

PHP: Generate a secure random password.

This is a tutorial on how to generate a secure random password using PHP.

PHP: Convert a string into an integer.

This is a beginner’s tutorial on how to convert a string into an integer using PHP.

Fix – Fatal error: Call to undefined function imagecreatefromjpeg.

This fatal error occurs when the GD library is not being.

PHP: Add a watermark to an image.

This is a beginner’s tutorial on how to dynamically add a watermark to an image using PHP.

PHP: Get the full query string.

This is a tutorial on how to get the FULL query string as a string using PHP.

PHP: Get the key of the highest value in an array.

This is a tutorial on how to get the key of the highest value in a PHP array.

The difference between include and require in PHP.

In this article, we look at the differences between the “include” and “require” statements in PHP.

How to retrieve URL parameters in PHP.

In this tutorial, we will show you how to retrieve query string parameters from a URL using PHP. We will also provide you with security tips.

Convert a PHP array into an object.

This is a short guide on how to convert an array into a PHP object.

PHP: Calculating the median value.

In this tutorial, we will show you how to calculate the median value of a set of numbers using PHP.