Online PHP editor | output for 7jKGq

@ 2018-10-28T04:07:44Z

<?php
$array = [
    [
        ['plan' => 'basic'],
        ['plan' => 'small'],
        ['plan' => 'novice'],
        ['plan' => 'professional'],
        ['plan' => 'master'],
        ['plan' => 'promo'],
        ['plan' => 'newplan']
    ]
];

// var_export($array);
array_walk_recursive($array, function($leafvalue)use(&$flat1){$flat1[] = $leafvalue;});
var_export($flat1);

echo "\n--or--\n";

var_export(array_column($array[0], 'plan'));

echo "\n--or--\n";

foreach ($array[0] as $plans) {
    foreach ($plans as $value) {
        $flat2[] = $value;
    }
}
var_export($flat2);

echo "\n--or--\n";

var_export(array_merge_recursive(...$array[0])['plan']);

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.27, 8.4.1 - 8.4.14: array ( 0 => 'basic', 1 => 'small', 2 => 'novice', 3 => 'professional', 4 => 'master', 5 => 'promo', 6 => 'newplan', ) --or-- array ( 0 => 'basic', 1 => 'small', 2 => 'novice', 3 => 'professional', 4 => 'master', 5 => 'promo', 6 => 'newplan', ) --or-- array ( 0 => 'basic', 1 => 'small', 2 => 'novice', 3 => 'professional', 4 => 'master', 5 => 'promo', 6 => 'newplan', ) --or-- array ( 0 => 'basic', 1 => 'small', 2 => 'novice', 3 => 'professional', 4 => 'master', 5 => 'promo', 6 => 'newplan', )

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