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To iterate the same array more than once, it is recommended to instantiate ArrayObject and use the ArrayIterator instance either implicitly created when using foreach to iterate over the array stored internally, or create one by calling the ArrayObject::getIterator () method manually.
- ArrayObject
The ArrayObject class Table of Contents ¶...
- AppendIterator
The AppendIterator class Introduction ¶ An Iterator that...
- CachingIterator
The only difference between CachingIterator and other...
- GlobIterator
The GlobIterator class
- MultipleIterator
Note that PHP 5.4 and 5.3 do not support accessing the key()...
- CallbackFilterIterator
Table of Contents ¶ CallbackFilterIterator::accept — Calls...
- FilterIterator
The FilterIterator class Introduction ¶ This abstract...
- LimitIterator
Introduction ¶ The LimitIterator class allows iteration over...
- ArrayObject
To iterate the same array more than once, it is recommended to instantiate ArrayObject and use the ArrayIterator instance either implicitly created when using foreach to iterate over the array stored internally, or create one by calling the ArrayObject::getIterator method manually.
Nov 21, 2019 · The ArrayIterator::key () function is an inbuilt function in PHP which returns the current key of the array element. Syntax: mixed ArrayIterator::key( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the current array key.
The ArrayIterator class Introduction (PHP 5, PHP 7) This iterator allows to unset and modify values and keys while iterating over Arrays and Objects.
Introduction (PHP 5, PHP 7, PHP 8) Allows the removal of elements, and the modification of keys or values while iterating over Arrays or Objects.
The ArrayIterator::key function is a built-in function in PHP that is used to retrieve the key of the current element in an ArrayIterator object. It can be used to access and manipulate array keys while iterating through an array.
When you want to iterate over the same array multiple times you need to instantiate ArrayObject and let it create ArrayIterator instances that refer to it either by using foreach or by calling its getIterator () method manually.
