Open In App
Related Articles

PHP SplObjectStorage next() Function

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Report issue
Report

The SplObjectStorage::next() function is an inbuilt function in PHP which is used to move to next entry of storage. 

Syntax:

void SplObjectStorage::next()

Parameters: This function does not accept any parameter. Return Value: This function does not return any value. Below programs illustrate the SplObjectStorage::next() function in PHP: 

Program 1: 

php

<?php
 
// Create an empty SplObjectStorage
$str = new SplObjectStorage();
 
$obj = new StdClass;
$obj2 = new StdClass;
 
// Use attach() function to add object
$str->attach($obj, "GFG");
$str->attach($obj2, "Geeks");
 
$str->rewind();
 
// Get the current data
var_dump($str->getInfo());
 
// Move on to next object
$str->next();
 
// Print result of next entry
var_dump($str->getInfo());
?>

                    
Output:
string(3) "GFG"
string(5) "Geeks"

Program 2: 

php

<?php
 
// Create an Empty SplObjectStorage
$str = new SplObjectStorage();
  
$obj1 = new StdClass;
$obj2 = new StdClass;
$obj3 = new StdClass;
$obj4 = new StdClass;
  
// Use attach() function to add object
$str->attach($obj1, "GeeksforGeeks");
$str->attach($obj2, "GFG");
$str->attach($obj3);
$str->attach($obj4, "DSA");
  
$str->rewind();
  
// Iterate and print data on each index
while($str->valid()) {
     
    // Get index
    $index  = $str->key();
    $object = $str->current();
    $data   = $str->getInfo();
  
    var_dump($index, $data);
     
    // Moving each time next entry
    $str->next();
}
?>

                    
Output:
int(0)
string(12) "GeksforGeeks"
int(1)
string(3) "GFG"
int(2)
NULL
int(3)
string(3) "DSA"

Reference: https://www.php.net/manual/en/splobjectstorage.next.php



Last Updated : 11 May, 2023
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads