How to Access Items in a Set in PHP - Step by Step Examples



How to Access Items in a Set in PHP ?

Answer

In PHP, you can access items in a set (implemented using an array or a Set class) using array iteration methods or specific set methods like in_array to check for item existence.



✐ Examples

1 Iterate Over Items in a Set

In this example,

  1. We create a set using an array named $fruitSet with some initial values.
  2. We use a foreach loop to iterate over each item in the set.
  3. Within the loop, we can perform operations on each item.

PHP Program

<?php
$fruitSet = ['Apple', 'Banana', 'Cherry'];

foreach ($fruitSet as $item) {
    echo $item . "\n";
}
?>

Output

Apple
Banana
Cherry

2 Check if Set Contains an Item

In this example,

  1. We create a set using an array named $numberSet with some initial values.
  2. We use the in_array function to check if an item exists in the set.
  3. The in_array function returns true if the item is in the set, otherwise false.

PHP Program

<?php
$numberSet = [1, 2, 3, 4, 5];

$containsThree = in_array(3, $numberSet);
echo 'Set contains 3: ' . ($containsThree ? 'true' : 'false') . "\n";
?>

Output

Set contains 3: true

Summary

In this tutorial, we learned How to Access Items in a Set in PHP language with well detailed examples.




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