AlexSer

<?php
$html = '<select name="appointments[consulate_appointment][facility_id]" id="appointments_consulate_appointment_facility_id" class="required"><option value="" label=" "></option>
<option data-collects-biometrics="false" value="89">Calgary</option>
<option data-collects-biometrics="false" value="90">Halifax</option>
<option data-collects-biometrics="false" value="91">Montreal</option>
<option data-collects-biometrics="false" value="92">Ottawa</option>
<option data-collects-biometrics="false" value="93">Quebec City</option>
<option data-collects-biometrics="false" value="94">Toronto</option>
<option data-collects-biometrics="false" selected="selected" value="95">Vancouver</option></select>';

$dom = new DOMDocument();
$dom->loadHTML($html);

$xpath = new DOMXpath($dom);
$result = $xpath->query("//select/option[@selected='selected']");
$value = $result->item(0)->getAttribute('value');

var_dump($value); //string(2) "95"

button.close {
    border: 1px solid black;
    padding: 4px 7px;
}

.modal-header:before {
    width: 30px;
    height: 30px;
    border: 1px solid black;
    position: absolute;
    left: auto;
    right: 50px;
    top: 13px;
}

Такое вообще возможно?

$items = array_combine(
  array_column($arr2['entries'], 'name_item'),
  $arr2['entries']
);

$keys = [ 'price_item', 'image_item' ];

foreach ($arr1 as $n) {
  foreach ($keys as $k) {
    $n[$k] = $items[$n[0]][$k];
  }

  $arr3[] = $n;
}