Arrays in php
Arrays in php store multiple values in a single variable. Learn indexed arrays, multidimensional arrays, and common array functions.
21 docs tagged with "php"
View all tagsAssociative Arrays in php
Associative arrays in php use named keys instead of numeric indexes. Learn how to create, access, loop, and manipulate them.
Classes and Objects in php
Object-Oriented Programming in php. Learn how to define classes, create objects, use constructors, properties, and methods.
Control Statements in php
Control statements in php allow you to control the flow of execution using if, else, elseif, switch, and match expressions.
Data Types in php
php supports several data types including strings, integers, floats, booleans, arrays, objects, NULL, and resources.
Database Connectivity with MySQL in php
Learn how to connect php to a MySQL database using PDO and MySQLi, perform CRUD operations, and use prepared statements.
Exception Handling in php
Learn how to handle errors and exceptions in php using try, catch, finally, throw, and custom exception classes.
File Handling in php
Learn how to create, read, write, append, and delete files in php using built-in file functions.
Forms and User Input in php
Learn how to handle HTML forms in php using GET and POST methods, validate input, and prevent common security vulnerabilities.
Functions in php
Functions in php are blocks of reusable code. Learn how to create, call, and use parameters, return values, and built-in functions.
Inheritance in php
Inheritance allows a class to reuse properties and methods of another class. Learn single inheritance, method overriding, and the parent keyword in php.
Interfaces and Traits in php
Learn how to use interfaces and traits in php to implement contracts, share reusable methods, and work around single inheritance limitations.
Introduction to php
php is a popular general-purpose scripting language especially suited to web development. It is fast, flexible, and pragmatic.
Loops in php
php loops execute a block of code repeatedly. Learn while, do-while, for, and foreach loops with examples.
Namespaces in php
php namespaces allow you to organize code and avoid name collisions. Learn how to define, use, and alias namespaces in php.
Operators in php
php operators are used to perform operations on variables and values. Learn arithmetic, assignment, comparison, logical, string, and more operators.
php OOP Best Practices
Learn best practices for writing clean, maintainable, and scalable object-oriented php code including SOLID principles, design patterns, and more.
Sessions and Cookies in php
Sessions and cookies allow php to persist data across multiple pages. Learn how to create, read, update, and delete sessions and cookies.
Strings in php
Learn how to work with strings in php including string functions, formatting, searching, replacing, and manipulation techniques.
Superglobals in php
php superglobals are built-in variables available in all scopes. Learn about $_GET, $_POST, $_SERVER, $_SESSION, $_COOKIE, and more.
Variables and Constants in php
Learn how to declare and use variables and constants in php, including naming rules, scope, and the define() function.