PHP Escape Characters: How to Escape Special Characters
Escape characters appeared in PHP because some symbols in strings serve special purposes. For example, a quote can…
PHP function_exists: Avoid Function Redeclaration
The function_exists() function in PHP checks whether a given function is defined or not. The function_exists() function works…
PHP error_log Function: How It Works with Examples
Sometimes things go wrong when PHP runs the code. So, you need to know the reasons for this…
PHP Singleton Pattern: How to Use with Examples
The PHP singleton design pattern makes sure that the class has only one instance and provides a global…
PHP Filters: How to Validate and Sanitize User Inputs
User input can be unpredictable and dangerous. A simple form submission might carry malicious code or invalid data…
PHP Spread Operator: Understand How (…) Syntax Works
Before the spread operator, PHP developers had to pass array items to a function using extra steps. They…
PHP compact Function: Assoc Array from Variables
The PHP compact function is a way to pull variables into an array. In this article, you will…
History of PHP: From PHP/FI to Modern Web Development
You use PHP every day if you build websites, but most people do not know where it came…
filter_has_var Function: Check if Input Exists in PHP
User input does not always come through as expected. Sometimes values are missing or not set at all.…
PHP filter_var: Understand How to Sanitize Input
PHP didn’t have a way to check or clean user input. Developers used scattered code—some wrote custom checks,…