Hello World in PHP
Every programming journey starts with Hello World. Let’s write our first PHP program.
The Code
Create a file named hello.php:
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Php-Fundamentals
Variables and Types in PHP
PHP is a dynamically typed language with weak typing: variables do not require a type declaration, and the interpreter happily converts between types when operations demand it. A single variable can …
Read more →Operators in PHP
Operators are the verbs of a programming language — they transform values, compare them, and combine them into expressions. PHP inherits much of its operator syntax from C and Perl, but layers on a …
Read more →Control Flow in PHP
Control flow is how a program decides what to do next. Instead of running every line top to bottom, control flow lets PHP branch on conditions, repeat work, and short-circuit logic. These constructs …
Read more →Functions in PHP
Functions are the building blocks of reusable code. They let you package a piece of logic behind a name, call it as many times as you need, and pass data in and out cleanly. Instead of repeating the …
Read more →I/O Operations in PHP
Input and output are how a program communicates with the outside world — printing results to a terminal, reading what a user types, and persisting data to files. PHP was born as a web language, where …
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