PHP: last multidimensional array with end-function

Question

I have a multidimensional array called $response - and the max count is not unqiue. Sometimes it's just 1 up to 4. I want the last array of the second "0":

$last_value = $response['name1'][0]['name2'][0]['name3']['name4'];

...so, if there are

$last_value = $response['name1'][0]['name2'][0]['name3']['name4'];
$last_value = $response['name1'][0]['name2'][1]['name3']['name4'];
$last_value = $response['name1'][0]['name2'][2]['name3']['name4'];
$last_value = $response['name1'][0]['name2'][3]['name3']['name4'];

choose the one with:

$last_value = $response['name1'][0]['name2'][3]['name3']['name4'];

I know, there is the php function end, but I don't get it with the example above.

t3chguy · Accepted Answer · 2014-07-18 15:59:16Z

$last_value = end($response['name1'][0]['name2'])['name3']['name4'];

PHP 5.4+ is required for the Dereferencing of Functions or Methods.

Otherwise it will have to be a two parter for pre PHP 5.4.

$pre = end($response['name1'][0]['name2']);
$last_value = $pre['name3']['name4'];

Testing Environment:

<?php

$response['name1'][0]['name2'][0]['name3']['name4'] = '1';
$response['name1'][0]['name2'][1]['name3']['name4'] = '2';
$response['name1'][0]['name2'][2]['name3']['name4'] = '3';
$response['name1'][0]['name2'][3]['name3']['name4'] = '4';

$myLastElement = end($response['name1'][0]); //Clément Andraud's Answer
$last_value = end($response['name1'][0]['name2'])['name3']['name4'];
var_dump($myLastElement); //Clément Andraud's Output
echo '<br />';
var_dump($last_value);

?>

Testing Results:

array(4) { [0]=> array(1) { ["name3"]=> array(1) { ["name4"]=> string(1) "1" } } [1]=> array(1) { ["name3"]=> array(1) { ["name4"]=> string(1) "2" } } [2]=> array(1) { ["name3"]=> array(1) { ["name4"]=> string(1) "3" } } [3]=> array(1) { ["name3"]=> array(1) { ["name4"]=> string(1) "4" } } } 
string(1) "4"

Clément Andraud · Accepted Answer · 2014-07-18 15:43:28Z

1

$myLastElement = end($response['name1'][0]);

This doesn't work ?

answered Jul 18, 2014 at 15:43

Clément Andraud

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3 Comments

t3chguy Over a year ago

wouldn't it be $last_value = end($response['name1'][0]['name2'])['name3']['name4']; PHP 5.4+

Marc B Over a year ago

@t3chguy: no. that's arrays nested 6 deep, and OP wants the last of the 3rd-deep array. your end is the end of the very last 6-deep array.

t3chguy Over a year ago

his last bit of code and the header prior to it suggests otherwise, suggests that he'd want the output of $last_value = $response['name1'][0]['name2'][3]['name3']['name4'];

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