<?php
$dizi = array (17=>"armut", 22=>"erik", 13=>"karpuz", 48=>"kiraz");
foreach ($dizi as $dz):
    if(is_numeric($dz)){        
echo "".$dz.": int".PHP_EOL;    
}else{        
echo "".$dz.": string".PHP_EOL;    
}
endforeach;


?>