// This example skips the value of 2
for ($a = 0; $a < 4; $a++) {
  if ($a == 2) {
    continue;
  }
  echo "The number is: $a \n";
} 
/* outputs:  The number is: 0 
	     The number is: 1 
	     The number is: 3
*/


// We print array elements by omitting "Audi".
$cars = array("BMW","Audi","Porsche");
foreach ($cars as $val) {
	if ($val == "Audi") {
		continue;
	}
	echo "$val \n";
}
/* outputs:  BMW
             Porsche
*/

// This example jumps out of the loop when a is equal to 5:
for ($a = 0; $a <= 10; $a++) {
  if ($a == 5) {
    break;
  }
  echo "The number is: $a \n";
} 
/* outputs:  The number is: 0 
             The number is: 1
             The number is: 2
             The number is: 3
             The number is: 4
*/


// We print the elements of the array until the value is equal to "Audi".
$cars = array("BMW","Porsche","Audi","Mercedes-Benz");
foreach ($cars as $val) {
	if ($val == "Audi") {
		break;
	}
	echo "$val \n";
}
/* outputs:  BMW
             Porsche
*/

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
*/

$str = "Hello world";
print_r (explode(" ",$str));

Array ( [0] => Hello [1] => world )

$arr = array('Hello','World!');
echo implode(" ",$arr);

Hello World!

<?php  
for ($i=1;$i<=50;$i++)  {
    echo "$i ";
      if ($i%5==0) {
       echo "\n";
    }
    
}
?>

<?php
$today =(date'z');  
if ($today==1) {
    echo "დღეს არის წლის $today-ლი დღე";
}
elseif ($today>=2 and $today<=20) {
    echo "დღეს არის წლის მე-$today დღე";
}else
echo "დღეს არის წლის $today-ე დღე";
?>

for (init counter; test counter; increment counter) {
  code to be executed for each iteration;
}

The PHP while Loop

The while loop executes a block of code as long as the specified condition is true.

Syntax
while (condition is true) {
code to be executed;
}