3v4l.org

run code in 300+ PHP versions simultaneously

@ 2017-08-01T19:10:35Z

<?php

$arr = array(
    array(
        'name' => 'name',
        'label' => 'Label'
    ),
    array(
        'name' => 'name',
        'label' => 'Label',
        'sub_fields' => array(
            array(
                'name' => 'my_desired_target',
                'label' => 'Label'
           )
        )
    )
);


function change_recursively($arr, $previous){
    foreach($arr as $key => &$val){

        if(is_array($val)){
            If($previous == NULL){
                change_recursively($val, $key);
            }Else{
                change_recursively($val, $previous . "," .$key);
            }
        }else{

            if($key == 'name' && $val == 'my_desired_target'){
                
                $path =explode(",", $previous);
                Var_dump($path);

                //How to add new key here?
                $arr['new_key'] = 'my new value';

            }

        }

    }

}
change_recursively($arr, NULL);

Var_dump($arr);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: array(3) { [0]=> string(1) "1" [1]=> string(10) "sub_fields" [2]=> string(1) "0" } array(2) { [0]=> array(2) { ["name"]=> string(4) "name" ["label"]=> string(5) "Label" } [1]=> array(3) { ["name"]=> string(4) "name" ["label"]=> string(5) "Label" ["sub_fields"]=> array(1) { [0]=> array(2) { ["name"]=> string(17) "my_desired_target" ["label"]=> string(5) "Label" } } } }

preferences:dark modelive previewkey bindings

103.84 ms | 1587 KiB | 5 Q