030 - Recursive Function1
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factorial of 5 is = 120
<?php
// 030 - Recursive Function ( just like loops)
echo "</br><span class='myheading'>030 - Recursive Function</span></br>";
function display_030($number_030) { /*-----Recursive Function------ */
if($number_030<=5){
echo "$number_030 <br/>";
display_030($number_030+1);
}
}
display_030(1);
function factorial_030($n_030) { /* Factorial Number using Recursive (like 3 factorial = 3*2*1) */
if ($n_030 < 0){
return -1;
}
if ($n_030 == 0){
return 1;
}else{
return ($n_030 * factorial_030 ($n_030 -1));
}
}
echo "factorial of 5 is = ". factorial_030(5);
?>