Working with files and directories is one of the most important tasks in PHP. Whether you are uploading files, reading configuration data, generating reports, creating backups, or managing logs—PHP provides…

Redirecting users is a very common task in PHP. Whether you want to send a user to a login page, forward them after form submission, or move them to another…

Hidden fields are HTML input elements that are not shown to the user but are submitted along with form data. They are a powerful way to pass information silently from…

When building dynamic websites, you’ll often need to mix HTML (for structure & design) with PHP (for logic & server-side processing). Understanding how to combine both correctly is essential for…

Accessing user input is one of the most essential tasks in PHP development—whether it’s capturing form data, URL parameters, cookies, or session values. PHP makes this easy using Superglobal Arrays,…

Importing user input is a core part of PHP programming. Whether you're creating login forms, search fields, feedback forms, or handling file uploads—PHP provides powerful global arrays to collect and…

Super global arrays are predefined associative arrays in PHP that are accessible from anywhere in the script, whether inside functions, classes, or included files—without using the global keyword. They play…

Super global variables in PHP are built-in variables that are available in all scopes—inside functions, classes, and files—without requiring global keyword. They allow PHP scripts to access server data, form…