Зміст курсу

Introduction to PHP

1. First Acquaintance

Features of the PHP Language First Application Comments in PHP Basic Math Operations Math Expressions

2. Variables and Data Types

Data Types Variables Strings Boolean Comparison Operations

3. Conditional Statements

If Statement Else Statement Else If Statement Switch-Case Statement

4. Arrays

Creating Arrays Indexes Associative Arrays Adding and Removing Elements in Arrays

5. Loops

Loops Сoncept While-Loops Do-While For-Loops Increment and Decrement

Associative Arrays

Associative arrays in PHP are arrays that provide a mapping between keys and values. They are used to store data in the form of key-value pairs, where each key is unique and associated with a specific value.

Creation Syntax

Associative arrays are created using the key operator => to establish the relationship between the key and the value. For example:

main


              12345
            
$user = [
    "name" => "John",
    "age" => 30,
    "city" => "New York"
];

As a result, this code creates an associative array $user with three keys: "name", "age", and "city", and their corresponding values: "John", 30, and "New York". You can access these values using their respective keys:

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              123456789
            
<?php
$user = array(
    "name" => "John",
    "age" => 30,
    "city" => "New York"
);

echo $user["name"]; // Output "John"
?>

Завдання

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Fill in the blanks in the code to create an associative array $person with three key-value pairs (e.g., 'name' => 'John', 'age' => 25, 'profession' => 'Engineer'). Then, access the value by the key 'name' and print it to the screen.

Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантів

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Секція 4. Розділ 3

Associative Arrays

Creation Syntax

Associative arrays are created using the key operator => to establish the relationship between the key and the value. For example:

main


              12345
            
$user = [
    "name" => "John",
    "age" => 30,
    "city" => "New York"
];

main


              123456789
            
<?php
$user = array(
    "name" => "John",
    "age" => 30,
    "city" => "New York"
);

echo $user["name"]; // Output "John"
?>

Завдання

Swipe to show code editor

Все було зрозуміло?

Дякуємо за ваш відгук!

Секція 4. Розділ 3

Associative Arrays

Creation Syntax

Associative arrays are created using the key operator => to establish the relationship between the key and the value. For example:

main


              12345
            
$user = [
    "name" => "John",
    "age" => 30,
    "city" => "New York"
];

main


              123456789
            
<?php
$user = array(
    "name" => "John",
    "age" => 30,
    "city" => "New York"
);

echo $user["name"]; // Output "John"
?>

Завдання

Swipe to show code editor

Все було зрозуміло?

Дякуємо за ваш відгук!

Creation Syntax

Associative arrays are created using the key operator => to establish the relationship between the key and the value. For example:

main


              12345
            
$user = [
    "name" => "John",
    "age" => 30,
    "city" => "New York"
];

main


              123456789
            
<?php
$user = array(
    "name" => "John",
    "age" => 30,
    "city" => "New York"
);

echo $user["name"]; // Output "John"
?>

Завдання

Swipe to show code editor

Секція 4. Розділ 3