PHP SplObjectStorage next() Function
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 entryvar_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, "zambiatek");$str->attach($obj2, "GFG");$str->attach($obj3);$str->attach($obj4, "DSA"); $str->rewind(); // Iterate and print data on each indexwhile($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
