Do While Loop Examples in PHP

In this tutorial, we will learn “do while loop program in PHP”.

Code of program”do while program in PHP”

<html>
<body>
    
    <form action="" method="post">
        <input type="text" name="string" />
        <input type="submit" />
    </form>
</body>
</html>
 
<?php 
 
    if($_POST)
    {
        $string = strtolower($_POST['string']);
        $vowels = array('a','e','i','o','u');
        $len = strlen($string);
        $num = 0;
        $i=0;
        do{
            if(in_array($string[$i], $vowels))
            {
                $num++;
            }
			
			 $i++;
		}
		while( $i<$len);
			 		function countDigits( $string )
{
    return preg_match_all( "/[0-9]/", $string );
	
}
substr_count($string, ' ');

        echo "Number of vowels : <span style='color:green; font-weight:bold;'>". $num."</span>";
		echo "<br>";
		echo "Number of digits :".countDigits($string);
		echo "<br>";
		echo "Number of spaces :" . substr_count($string," ");
		
    }
	?>

Do While Loop Examples in PHP

Code of program”do while program in PHP”

The output of code of “do while program in PHP”