php Looping

php looping

<?php
$f = new NumberFormatter("id", NumberFormatter::SPELLOUT);
echo "#####################<br>";
echo $f->format(5)."<br>";
$a = $f->format(169);
$pisah = explode(" ", $a);
echo "#####################<br>";
echo "foreach array<br>";
foreach($pisah as $key) {    
    echo $key.'<br/>';    
}
echo "#####################<br>";
echo "For loops<br>";
for ($i = 0; $i <=5; ++$i) {
    echo $i." = ".$f->format($i)."<br>";
}
echo "#####################<br>";
echo "While<br>";
$x = 1;
while($x <= 5) {
    echo "The number is: $x <br>";
    $x++;
}
echo "#####################<br>";

echo "Do While<br>";
$x = 1;
do {
    echo "The number is: $x <br>";
    $x++;
} while ($x <= 5);

function Fibonacci($n){ 
  
    $num1 = 0; 
    $num2 = 1; 
  
    $counter = 0; 
    while ($counter < $n){ 
        echo ' '.$num1; 
        $num3 = $num2 + $num1; 
        $num1 = $num2; 
        $num2 = $num3; 
        $counter = $counter + 1; 
    } 
} 
  
// Driver Code 
$n = 10; 
Fibonacci($n);