Array Functions
Advertisements

PHP array_key_last() Function

Topic: PHP Array ReferencePrev|Next

Description

The array_key_last() function gets the last key of an array.

The following table summarizes the technical details of this function.

Return Value: Returns the last key of array if the array is not empty; NULL otherwise.
Version: PHP 7.3.0+

Syntax

The basic syntax of the array_key_last() function is given with:

array_key_last(array);

The following example shows the array_key_last() function in action.

<?php
// Sample array
$persons = array("Harry"=>18, "Clark"=>32, "John"=>24);
    
// Getting the last key from the persons array
echo array_key_last($persons); // Prints: John
?>

Parameters

The array_key_last() function accepts the following parameters.

Parameter Description
array Required. Specifies the array to be used.

More Examples

Here're some more examples showing how array_key_last() function basically works:

This function can also be used with the indexed array, as shown here:

<?php
// Creating an indexed array
$colors = array("red", "green", "blue");

// Getting the last index from the colors array
echo array_key_last($colors); // Prints: 2
?>
Advertisements
Bootstrap UI Design Templates

Your Feedback:

We would love to hear from you, please drop us a line.