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PHP

Akhter Rasool
Akhter Rasool
8,597 Points
Posted by Akhter Rasool
Akhter Rasool
8,597 Points

Use of $id and $item in foreach loop

What's $id ? Why are we using it ?

Why are we using $id=>$item in for each loop

1 Answer

Codin - Codesmite
Codin - Codesmite
8,600 Points
Codin - Codesmite
Codin - Codesmite
8,600 Points

$id in your example is the array key.

For example:

<?php
   $arr[0] = "Melon";
   $arr[1] = "Apple";
   foreach ($arr as $key => $value) {
      echo "Key: " . $key . "Value: " . $value . "<br />\n";
   }
?>

Will ouput:

Key: 1 Value: Melon

Key: 2 Value: Apple