Поменять местами координаты yandex maps api json php

[[
    ['23,23', '23,2323'],
    ['24,23', '24,2323'],
]];

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[[

['23,23', '23,2323'],

['24,23', '24,2323'],

]];

    public function actionTest()
    {
        $array = [
          ['34,43', '34,2323'],
          ['34,43', '34,2323'],
          ['34,43', '34,2323'],
        ];

        $string = "[[";
        foreach ($array as $key) {
            $string .= '[';
            $string .= str_replace(',', '.', $key[1]) . ',' . str_replace(',', '.', $key[0]);
            $string .= '],';
        }

        if (substr($string, -1) == ',') {
            $string = substr($string, 0, -1);
        }
        $string .= ']]';

        $file = Yii::$app->otherFiles->getBucket('dump');
        $file->saveFileContent('zona1.txt', $string);
    }

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public function actionTest()

{

$array = [

['34,43', '34,2323'],

];

$string = "[[";

foreach ($array as $key) {

$string .= '[';

$string .= str_replace(',', '.', $key[1]) . ',' . str_replace(',', '.', $key[0]);

$string .= '],';

}

if (substr($string, -1) == ',') {

$string = substr($string, 0, -1);

}

$string .= ']]';

$file = Yii::$app->otherFiles->getBucket('dump');

$file->saveFileContent('zona1.txt', $string);

}

public function actionUpdateBaseZones($baseId)
{
    $path = 'file.json';
    $data = file_get_contents($path);

    $data = json_decode($data);

    foreach ($data->features as $features) {
        if ($features->geometry->type == 'Polygon') {
            $cords = [];
            $zona = intval(preg_replace("/[^0-9]/", '', $features->properties->description));
            foreach ($features->geometry->coordinates as $coordinate) {
                foreach ($coordinate as $cord) {
                    $cords[] = [$cord[1], $cord[0]];
                }
            }
            $model = BaseZone::modify($baseId, $zona, '[' . json_encode($cords) . ']');
            $model->save();
        }
    }
}

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public function actionUpdateBaseZones($baseId)

{

$path = 'file.json';

$data = file_get_contents($path);

$data = json_decode($data);

foreach ($data->features as $features) {

if ($features->geometry->type == 'Polygon') {

$cords = [];

$zona = intval(preg_replace("/[^0-9]/", '', $features->properties->description));

foreach ($features->geometry->coordinates as $coordinate) {

foreach ($coordinate as $cord) {

$cords[] = [$cord[1], $cord[0]];

}

$model = BaseZone::modify($baseId, $zona, '[' . json_encode($cords) . ']');

$model->save();

}

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