3v4l.org

run code in 300+ PHP versions simultaneously

@ 2022-03-31T14:57:10Z

<?php
    $json = '[
    {
        "name": "A",
        "children": [
            {
                "name": "B",
                "children": [
                    {
                        "name": "C"
                    },
                    {
                        "name": "D",
                        "children": [
                            {
                                "name": "E"
                            },
                            {
                                "name": "F"
                            }
                        ]
                    }
                ]
            },
            {
                "name": "G"
            }
        ]
    },
    {
        "name": "H"
    }
    ]';

    $json = json_decode($json, true);

    function getArrayValuesRecursively(array $array){
        $values = [];
        foreach ($array as $value) {
            if (is_array($value)) {
                $values = array_merge(
                    $values,
                    getArrayValuesRecursively($value)
                );
            } else {
                $values[] = ['name' => $value];
            }
        }
        return $values;
    }

    echo json_encode(getArrayValuesRecursively($json));

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: [{"name":"A"},{"name":"B"},{"name":"C"},{"name":"D"},{"name":"E"},{"name":"F"},{"name":"G"},{"name":"H"}]

preferences:dark modelive previewkey bindings

111.31 ms | 407 KiB | 5 Q