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run code in 300+ PHP versions simultaneously

@ 2014-03-13T08:05:08Z

<?php
    $first = $_GET['first'];
    $second = $_GET['second'];
    $third = $_GET['third'];         

    //Your code here




    function smallest($first, $second, $third)
    {
        foreach(func_get_args() as $a_parameter)
        {

            if($a_parameter==intval($a_parameter))   // only if parameter is a number
            {

                if(!isset($minimum)) // for the first time paremeter is maximum
                {
                    $minimum= $a_parameter;
                }
    
                if($a_parameter<$minimum)  // for each parameter we check if its lower and set minimum
                {
                    $minimum=$a_parameter;
                }
            }

        }
        return $minimum;
    }


    function largest($first, $second, $third)
    {
        foreach(func_get_args() as $a_parameter)
        {

            if($a_parameter==intval($a_parameter))   // only if parameter is a number
            {
                if(!isset($maximum)) // for the first time paremeter is maximum
                {
                    $maximum= $a_parameter;
                }

                if($a_parameter>$maximum) // for each parameter we check if its greater and set maximum
                {
                    $maximum=$a_parameter;
                }
            }
        }
        return $maximum;
    }


    $largest_number = largest($first, $second, $third);
    $smallest_number = smallest($first, $second, $third); 

    echo "From the numbers you typed, the largest was $largest_number";
    echo " and smallest $smallest_number";    

?>

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: Warning: Undefined array key "first" in /in/JNBTC on line 2 Warning: Undefined array key "second" in /in/JNBTC on line 3 Warning: Undefined array key "third" in /in/JNBTC on line 4 From the numbers you typed, the largest was and smallest
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined index: first in /in/JNBTC on line 2 Notice: Undefined index: second in /in/JNBTC on line 3 Notice: Undefined index: third in /in/JNBTC on line 4 From the numbers you typed, the largest was and smallest
Output for 7.3.32 - 7.3.33: From the numbers you typed, the largest was and smallest
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Notice: Undefined index: first in /in/JNBTC on line 2 Notice: Undefined index: second in /in/JNBTC on line 3 Notice: Undefined index: third in /in/JNBTC on line 4 From the numbers you typed, the largest was and smallest

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