php interview question logical

 <!DOCTYPE html>

<html>

<body>


<?php

// First question factorial 5 


$num = 5;

$value = 1; 


for($i= $num ; $i > 1; $i--){


    $value = $i * $value ; 

}

echo $value;



// second q highest and smallest number


$arr = [10,12,14,145,56,5];

//echo "<br/>" .  count($arr);

$smallest = $arr[$i]; 

$highest =1;


for($i=0; $i < count($arr); $i++){

   if($smallest > $arr[$i]){

   

      $smallest = $arr[$i]; 

   }elseif($highest < $arr[$i]){

   

   $highest = $arr[$i];

   }

}


echo  'Smallest value is ' .   $smallest."<br/>";

echo 'Highest value is ' . $highest."<br/>";








?>

<?php

$number = 37521.

echo $number."<br/>";

echo $number++ ."<br/>" + $number++  ."<br/>";

echo $number ."<br/>";

echo $number-- - $number--."<br/>";

echo $number."<br/>";

?>

</body>

</html>


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