foreach ($array as $value) {
  code to be executed;
}

// array - $country
$country = ["Georia","Ukraine","Spain"];

foreach ($country as $value) { // Instead of name $value we can write any name
  echo "$value \n";
}
/* outputs:    Georia 
	       Ukraine 
               Spain 
 */
 
 // array - numbers
 $numbers = array("one" => 1 , "two" => 2 , "three" => 3 );

foreach($numbers as $n => $value) {
  echo "$n = $value \n";
}
/*outputs:   one = 1
             two = 2
             three = 3
*/
// also, we can print only keys/values
foreach($numbers as $n => $value){
	echo "$n \n"; // if we need value of key, we must whrite $value
}                 // keys are "one","two","three" and values are 1,2,3
/*outputs:   one
	     two
	     three
*/