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  1. <?php
  2.  
  3. $cars = array(
  4.     array("Volvo" , '22,18,'),
  5.     array("BMW" , '15,13'),
  6.     array("Saab", '5,2' ),
  7.     array("Land Rover", '17,15' )
  8. );
  9.  
  10. print_r($cars);
  11.  
  12. $labels = array_column($cars, 0); // Get car manufacturer list
  13. $labels = array_map(function($element){return $element[0];}, $cars);
  14. $id = array_search('Volvo', $labels); // Find id of 'Volvo'
  15. $cars[$id][1].='21,'; //append value
  16. $cars[$id][1].='27,'; //append value
  17.  
  18. print_r($cars);
Success #stdin #stdout 0.02s 24448KB
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Array
(
    [0] => Array
        (
            [0] => Volvo
            [1] => 22,18,
        )

    [1] => Array
        (
            [0] => BMW
            [1] => 15,13
        )

    [2] => Array
        (
            [0] => Saab
            [1] => 5,2
        )

    [3] => Array
        (
            [0] => Land Rover
            [1] => 17,15
        )

)
Array
(
    [0] => Array
        (
            [0] => Volvo
            [1] => 22,18,21,27,
        )

    [1] => Array
        (
            [0] => BMW
            [1] => 15,13
        )

    [2] => Array
        (
            [0] => Saab
            [1] => 5,2
        )

    [3] => Array
        (
            [0] => Land Rover
            [1] => 17,15
        )

)
https://ideone.com/gMzuYc
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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