An example of foreach loop with key

Question

Please code a foreach loop with key.

Answer 1

Hi Calvin. Thanks for the help. I slightly modified your code. check.
https://code.sololearn.com/wi62lBGK8s8K/?ref=app

Answer 2

foreach loop with key and if condition
https://code.sololearn.com/wkTRQKAfI2N0/?ref=app

Answer 3

$countryCode = array(
"USA" => 1,
"UK" => 44,
"Australia" => 61,
"NZ" => 66
);

foreach ($countryCode as $country => $code) {
echo "\$countryCode[$country] => $code.\n";
}