Top 10 Core PHP Functions Every Developer Should Know
PHP is one of the most widely used server-side scripting languages in the web development world. Whether you’re building a simple website or a complex web application, understanding PHP's built-in core functions can significantly improve your coding efficiency and help you write cleaner, more secure code. In this blog, we’ll explore the top 10 core PHP functions that every developer should know and use effectively. Also Read PHP Core Development Services in Florida 1. The Power of isset() The isset() function checks if a variable is set and not null. This function is essential when working with form inputs or query strings to ensure that values exist before processing them. It helps avoid unwanted errors and keeps your application flow safe and smooth. 2. Validating Inputs with empty() While isset() checks if a variable exists, empty() determines whether it contains an empty value like "" , 0 , null , or an empty array. It's particularly useful when validating f...