How to add an Item to a Set in PHP


How to add an Item to a Set in PHP ?

Answer

To add an item to a Set in PHP, you can use the add method of the SplObjectStorage class.



✐ Examples

1 Add an Item to a Set

In this example,

  1. We create a new instance of the SplObjectStorage class named mySet.
  2. We use the attach method to add an item to mySet.

PHP Program

<?php 
$mySet = new SplObjectStorage();
$object = new stdClass();
$object->name = "John Doe";
$mySet->attach($object);
var_dump($mySet);
?>

Output

object(SplObjectStorage)#1 (1) {
  ["$storage":"SplObjectStorage":private]=>
  array(1) {
    [0]=>
    object(stdClass)#2 (1) {
      ["name"]=>
      string(8) "John Doe"
    }
  }
}

2 Add an Integer to a Set

In this example,

  1. We create a new instance of the SplObjectStorage class named numberSet.
  2. We use the attach method to add an integer to numberSet.

PHP Program

<?php 
$numberSet = new SplObjectStorage();
$number = 123;
$numberSet->attach($number);
var_dump($numberSet);
?>

Output

object(SplObjectStorage)#1 (1) {
  ["$storage":"SplObjectStorage":private]=>
  array(1) {
    [0]=>
    int(123)
  }
}

Summary

In this tutorial, we learned How to add an Item to a Set in PHP language with well detailed examples.




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