SplDoublyLinkedList::add
(PHP 5 >= 5.5.0, PHP 7)
SplDoublyLinkedList::add — Add/insert a new value at the specified index
Description
public SplDoublyLinkedList::add ( mixed $index , mixed $newval ) : void
Insert the value newval
at the specified index
, shuffling the previous value at that index (and all subsequent values) up through the list.
Parameters
-
index
-
The index where the new value is to be inserted.
-
newval
-
The new value for the
index
.
Return Values
No value is returned.
Errors/Exceptions
Throws OutOfRangeException when index
is out of bounds or when index
cannot be parsed as an integer.
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/spldoublylinkedlist.add.php