Цикл

$x = 1; 

while($x <= 5) {

    echo "The number is: $x <br>";

    $x++;

} 

$x = 1; 

do {

    echo "The number is: $x <br>";

    $x++;

} while ($x <= 5);

for ($x = 0; $x <= 10; $x++) {

    echo "The number is: $x <br>";

} 

$colors = array("red", "green", "blue", "yellow"); 

foreach ($colors as $value) {

    echo "$value <br>";

}