Convert Arabic/Persian numbers to English numbers in PHP

arabic-nums-to-english-nums.php

<?php

function conv2EnNum($str) {
  $str = str_replace(['٠','١','٢','٣','٤','٥','٦','٧','٨','٩'], range(0, 9), $str); // Convert Arabic numbers
  $str = str_replace(['۰','۱','۲','۳','۴','۵','۶','۷','۸','۹'], range(0, 9), $str); // Convert Persian numbers
  return preg_replace('/[^0-9\.,]/', '', $str);
}

echo conv2EnNum('٠١٢٣٤٥٦٧٨٩'); //  -> 01213456789
echo conv2EnNum('١٣.٥');       //  -> 13.5
echo conv2EnNum('۴۷۶');        //  -> 476