Arrays and String Manipulation

Indexed Array

First color: Red

• Red
• Green
• Blue

Associative Array

name: John

age: 20

major: Computer Science

String Manipulation

Length of 'Hello World': 11

Uppercase: HELLO WORLD

Lowercase: hello world

Substring (0, 5): Hello

Replace 'World' with 'PHP': Hello PHP

Exploded Array from CSV

• apple
• banana
• cherry