PHP Programming Language Tutorial - Full Course

Variable

Variable

A storage location in programming that holds data which can be changed during program execution.

PHP

A popular general-purpose scripting language that is especially suited to web development.

Echo

A PHP command used to output text or variables to the screen.

Increment

An operation that increases the value of a variable by 1, often represented by `++`.

Decrement

An operation that decreases the value of a variable by 1, often represented by `--`.

Arithmetic Operations

Mathematical operations such as addition, subtraction, multiplication, and division that can be performed on numbers.

Assignment Operator

An operator used to assign a value to a variable, such as `=` or `+=`.

Function

A reusable block of code that performs a specific task when called.

Absolute Value

The non-negative value of a number without regard to its sign, often calculated using the `abs()` function in PHP.

Power Function

A mathematical function that raises a number to the power of another number, represented by `pow()`.

Square Root

A mathematical operation that finds a number which, when multiplied by itself, gives the original number, represented by `sqrt()`.

Max Function

A PHP function that returns the largest of the given numbers, represented by `max()`.

Min Function

A PHP function that returns the smallest of the given numbers, represented by `min()`.

Round Function

A PHP function that rounds a floating-point number to the nearest integer, represented by `round()`.

Ceil Function

A PHP function that rounds a number up to the nearest integer, represented by `ceil()`.

Floor Function

A PHP function that rounds a number down to the nearest integer, represented by `floor()`.

Associative Array

A type of array in PHP that uses key-value pairs to store data, allowing for more meaningful data access.

Form

An HTML element that allows users to input data, which can be processed by PHP.

POST Method

An HTTP method used to send data to the server, often used in forms to submit user input.