Ruslan Dzh

<div class="col-lg-6">
   <?= $form->field($model, 'type')->textInput() ?>
   <?= $form->field($model, 'number')->textInput() ?>
   <?= $form->field($model, 'region')->textInput(['maxlength' => true]) ?>
</div>
<div class="col-lg-6">
   <?= $form->field($model, 'type')->textInput() ?>
   <?= $form->field($model, 'number')->textInput() ?>
   <?= $form->field($model, 'region')->textInput(['maxlength' => true]) ?>
</div>

const obj = {
  0: { 0: "01.01.2019", 1: 11111.01 },
  1: { 0: "02.01.2019", 1: 22222.02 },
  2: { 0: "03.01.2019", 1: 33333.03 }
};

const result = Object.keys(obj).map((value, index) => Object.values(obj[value]));

Object.values({
	0: {0: "01.01.2019", 1: 11111.01},
	1: {0: "02.01.2019", 1: 22222.02},
	2: {0: "03.01.2019", 1: 33333.03}
}).map(i => Object.values(i) )

var a = {
   0: {0: "01.01.2019", 1: 11111.01},
   1: {0: "02.01.2019", 1: 22222.02},
   2: {0: "03.01.2019", 1: 33333.03}
}

var result = Object.values(a).map(v => Object.values(v))

$(document).ready(function(){
$.post('php.php' /*путь к php файлу*/, {a:fnumb, b:snumb} /*переменные может быть пустыми*/, function(data /*вот переменная которую возвращает php*/){

    });
});

<?php

$arrOld = [["2018-10-10", "6001"],["2018-10-11", "5500.68"],];
$arrNew = [];
foreach($arrOld as $arr) {
	$arrNew[] = [date('d.m.Y', strtotime($arr[0])), (float) $arr[1]];
}
unset($arrOld);

echo '<pre>';
print_r($arrNew);

<?= $form->field($model, 'typeRequest')->dropDownList([],['class' => 'class_name']) ?>