SplDoublyLinkedList::add
(PHP 5 >= 5.5.0, PHP 7)
SplDoublyLinkedList::add — Add/insert a new value at the specified index
Description
public void SplDoublyLinkedList::add ( mixed $index , mixed $newval ) 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.
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