Online PHP editor | output for uhGlk

@ 2017-05-25T08:47:50Z

<?php

$array = array
(
    0 => array
        (
        )
,
    1 => array
        (
            'wpcf-fields-checkboxes-option-1a38bb558a59802a54ebd4b27c91431e-1' => Array
                (
                    0 => 'Attacco rapido'
                )
,
            'wpcf-fields-checkboxes-option-0ad0b877a16a24fc4958374f171ef112-1' => Array
                (
                    0 => 'Bordo bianco'
                )

        )
,
    2 => array
        (
            'wpcf-fields-checkboxes-option-1a38bb558a59802a54ebd4b27c91431e-1' => Array
                (
                    0 => 'Attacco rapido'
                )
,
            'wpcf-fields-checkboxes-option-3b2241533b2c56891d3fd57718409b85-1' => Array
                (
                    0 => 'Supporti regolabili'
                )

        )

);


array_walk_recursive($array, function ($value, $key) use (&$list) {
    $list[] = $value;
});

print_r($list);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Array ( [0] => Attacco rapido [1] => Bordo bianco [2] => Attacco rapido [3] => Supporti regolabili )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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