Online PHP editor | output for 7adVc

<?php <?php $resdata = array( array( array( "prefix" => 93, "rate" => "0.172962000", "destination" => "Afghanistan" ) ), array( array( "prefix" => 9320, "rate" => 0, "destination" => "Afghanistan (ON-NET)" ) ), array( array( "prefix" => 9350, "rate" => 0, "destination" => "Afghanistan (ON-NET)" ) ), array( array( "prefix" => 935, "rate" => "0.451478000", "destination" => "Afghanistan (ON-NET)" ) ), array( array( "prefix" => 9360, "rate" => 0, "destination" => "Afghanistan (ON-NET)" ) ) ); function getRate($items, $prefix) { while($prefix = $prefix/10) { foreach ($items as $key => $value) { if ($value[0]["prefix"] === (int)$prefix) { return $value[0]["rate"]; } } } return null; }; foreach ($resdata as $key => $row) { if($row[0]['rate'] === 0) { $rate = getRate($resdata, $row[0]['prefix']); if ($rate) { $resdata[$key][0]['rate'] = $rate; } } } print_r($resdata);