Learning PHP 7 (Video 6)

This video tutorial introduces arrays in PHP, explaining their structure as key-value pairs. It covers how to create arrays, including multi-dimensional ones, and access elements using keys. The tutorial also demonstrates various PHP functions for array manipulation, such as adding, removing, and sorting elements. Practical examples are provided, and viewers are encouraged to use PHP.net for further reference. The video concludes with a brief overview of the next topic: conditional statements.

What is an array in PHP composed of?

• Only values

• Keys and values

• Functions and values

• Only keys

How can you access the second element of an array if the keys are not defined?

• By using the key '2'

• By using the key '1'

• By using the key '0'

• By using the key 'second'

Which function is used to add elements to the end of an array in PHP?

• array_push

• array_pop

• array_add

• array_insert

What does the function 'array_keys' return?

• The last element of an array

• All the keys of an array

• The number of elements in an array

• All the values of an array

Where can you find a comprehensive list of PHP array functions?

• W3Schools

• PHP.net

• Stack Overflow

• GitHub