Online PHP editor | output for BI16p

@ 2014-02-20T20:09:56Z

<?php


$weight = (int) '5';
$height = (int) '4';
$unit = (int) $_POST["optUnit"];
$message = "";

if($unit == "metric")
{
    $bmiCalc = $weight/($height*$height); #This Line
    $message = "Metric BMI: $bmiCalc";
}
else
{
    $bmiCalc = ($weight * 703)/($height * $height);
    $message = "Imperial BMI: $bmiCalc";
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined array key "optUnit" in /in/BI16p on line 6
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: optUnit in /in/BI16p on line 6
Output for 7.3.32 - 7.3.33
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: optUnit in /in/BI16p on line 6

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