PHP Tutorial Beginner to Advanced

Learn how to declare PHP variables with a leading dollar sign, follow valid name rules, assign values of different types, and rely on PHP to handle typing.

Master PHP operators, from arithmetic plus, minus, divide, multiply, power, and modulus, to comparison and logic with ==, ===, !=, !==, >, <, and, or, not, xor.

Explore PHP arrays, define them with short syntax or array(), access values by keys, and print with print_r or var_dump, covering indexed, associative, and mixed arrays.

Explore PHP 8 match, a readable alternative to switch and ternary. Learn exact (identical) comparisons, default behavior, and use with ranges or multiple cases separated by commas.

Explore PHP loop control with break and continue, learning how break exits a loop when a value is found and continue skips undesired iterations to optimize processing.

Learn three ways to embed php loops and conditionals inside html, and compare readability and maintenance with foreach, braces, and colon syntax.

Explore how PHP handles date and time with string-to-time parsing and date formatting, converting strings to timestamps, and calculating relative times like yesterday or seven days ago.

Master csv handling in php by opening files, reading lines with fgetcsv, and parsing columns; write and append data using fputcsv.

Explore XML and JSON formats in PHP, compare their readability and verbosity, and learn to parse and generate JSON with json_decode/json_encode and XML with DOMDocument and SimpleXMLElement.

Explore include and require in PHP, including include once and require once, and learn how they bring files into a page, with error handling and use for headers and footers.

Convert a static HTML site into a dynamic PHP template by creating header.php and footer.php, converting pages to PHP, and including them with require_once to update navigation and footer site-wide.

Explore how to define and call PHP functions, manage function arguments and returns, and apply type hints, default values, and error handling in your code.