- round: documentation ( source)
- preg_replace: documentation ( source)
<?php
$item['qty'] = 1;
$priseone = "1 560 руб.";
echo $priseone . "<br>";
$prise = preg_replace("/[^0-9]/","",$priseone);
echo $prise . "<br>";
$prise = $prise / $item['qty'];
echo $prise . "<br>";
$prise = $prise + 0.05 * $prise;
echo $prise . "<br>";
$prise = round($prise, -1);
echo $prise . "<br>";
$prise = $prise * $item['qty'];
echo $prise . "<br>";