Do you know a better way ?

input.php

<?php

$input = array(
	'data' => array(
		'vehicles' => array(
			0 => array(
				'id' => '782',
				'vin' => 'VF7SA9HD8DW660669',
				'equipments' => array(
					0 => array(
						'id' => '18698',
						'type' => 'includes',
						'name' => 'Moulures latérales chromées',
					) ,
				) ,
			) ,
		) ,
	) ,
);

output.php

<?php

$input = [ .... ]; // see the file : input.php

// rcollect for recursivly collect (or transform) array to nested collections

// do you see a better way ?

function rcollect( array $array, $previous_key = 0 ) {
	foreach ( $array as $key => $value ) {
		if ( is_array( $value ) ) {
			$value = rcollect( $value, $key );

			$array[$key] = $value;
		}
	}

	if ( is_int( $previous_key ) || ( count( array_keys( $array ) ) && !is_int( array_keys( $array )[0] ) ) ) {
		return (object)$array;
	}
	else {
		return collect( $array );
	}
}

// $output

object(stdClass)#490 (1) {
  ["data"]=>
  object(stdClass)#489 (1) {
    ["vehicles"]=>
    object(Illuminate\Support\Collection)#496 (1) {
      ["items":protected]=>
      array(1) {
        [0]=>
        object(stdClass)#542 (3) {
          ["id"]=>
          string(3) "782"
          ["vin"]=>
          string(17) "VF7SA9HD8DW660669"
          ["equipments"]=>
          object(Illuminate\Support\Collection)#545 (1) {
            ["items":protected]=>
            array(4) {
              [0]=>
              object(stdClass)#518 (3) {
                ["id"]=>
                string(5) "18698"
                ["type"]=>
                string(8) "includes"
                ["name"]=>
                string(29) "Moulures latérales chromées"
              }
            }
          }
        }
      }
    }
  }
}