- array_column: documentation ( source)
- array_merge_recursive: documentation ( source)
- var_export: documentation ( source)
- array_walk_recursive: documentation ( source)
<?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']);