The What
Description
The each function does the following tasks:
- It copies the current element’s key and value pair out of the
$array_variable. - It creates a new four element array and the assigns:
- the
$array_variablekey to both keys 0 and key - the
$array_variablevalue to both keys 1 and value.
- the
- Then it moves the array’s internal pointer to the next element in the array.
- Then it returns the new array.
Parameters
array_variable- The array to be worked on by
each.
Return Values
It returns a four element array which has both the key (keyed by ‘0’ and ‘key’) and value (keyed by ‘1’ and ‘value’). It returns FALSE when either the $array_variable is empty or it’s internal pointer is out-of-bounds and not pointing to a valid element.
Show It in ActionBasic
Let’s see the each function in action. In this video, you will see how it works.
Hands off the keyboard. Web development starts by thinking first, then planning it out, and then coding it.
Go DeepPro
In this video, you will go deeper into the instruction.
WhenPro
When do you use a each versus a do/each or foreach?
Also See
The following PHP constructs were mentioned in the code examples:
