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PHP

Ivan Burda
Ivan Burda
10,897 Points
Posted by Ivan Burda
Ivan Burda
10,897 Points

PHP - Paypal Quiz - $flavors as $a => $b

Hi. I am going through the PHP track and integrating PayPal with the web. However, there is something, I do not understand. Can somebody explain to me how this works, please?

Especially, I do not understand the idea behind $flavors as $a => $b

This code is also included in the quiz and the correct answers is that its outcome would be "01". Why?

Thank you.

$flavors = array("Cake Batter","Cookie Dough");
foreach ($flavors as $a => $b) {
    echo $a;

1 Answer

Jonathan Petersen
Jonathan Petersen
45,721 Points
Jonathan Petersen
Jonathan Petersen
45,721 Points

You are outputting the key of the key-value pair. $a is the key $b is the value. Keys start at 0.

foreach($array as $key => $value){}

So at position 0 the value is "Cake Batter" at position 1 the value is "Cookie Dough"

Did that answer your question or is your confusion coming from the loop?

Ivan Burda
Ivan Burda
10,897 Points
Ivan Burda
Ivan Burda
10,897 Points

Thank you, Jonathan! Now I finally understand it. Have a nice evening.