<?php

$questions = array (
   array("What is the most important part of a cooked breakfast?","Beans","Black pudding", "It's gotta be the soda bread"),
   array("How are you today?","Fine","Not too bad","I'm grand sure!"),
   array("The most important food group is","Proteins","Fats","Potatoes"),
   array("The most beautiful smell on earth is:","A wee baby's head","Your mammy's cooking","A turf fire"),
   array("Everyone is singing 'The Fields of Athenry' but you've forgotten the words. Do you:","Stop singing","Mime.","Wouldn't happen.")
   );

//declare some variables
$points = 0;;
$answer1 = 0;

function initialQuestion($questions) {

    global $questions;
    global $points;
    global $answer1;

    $r = array_rand($questions);

    echo $questions[$r][0];

    echo "<form action='' method='post'>";
    echo '<input type="submit" name="Answer1" onclick="" class="Answer" value="'.$questions[$r][1].'"><br>';
    echo '<input type="submit" name="Answer2" onclick="" class="Answer" value="'.$questions[$r][2].'"><br>';
    echo '<input type="submit" name="Answer3" onclick="" class="Answer" value="'.$questions[$r][3].'"><br>';
    echo "</form>";

    unset($questions[$r]);

    echo count($questions);

    return $questions;//return this array

    echo "<br>";

}

initialQuestion($questions);

if (isset($_POST["Answer1"])){
        $points = $points + 20;
        $questions = initialQuestions($questions);
    }

?>