<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Grade Calculation</title>
</head>
<body>
<form method="post">
<table>
<tr>
<td>Age:</td>
<td><input type="text" name="age" id="age" /></td>
</tr>
<tr>
<td>Resting Heart Rate: </td>
<td><input type="text" name="RHR" id="RHR" /></td>
</tr>
</table>
</form>
<?php
$thr = 0;
if (!empty($_POST["age"])){
$age = $_POST["age"];
$rhr = $_POST["rhr"];
$thr = (((220 - $age) - $rhr) * .6) + $rhr;
echo "Your training heart rate will be: " + $thr;
}
?>
</body>
</html>
- Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Grade Calculation</title>
</head>
<body>
<form method="post">
<table>
<tr>
<td>Age:</td>
<td><input type="text" name="age" id="age" /></td>
</tr>
<tr>
<td>Resting Heart Rate: </td>
<td><input type="text" name="RHR" id="RHR" /></td>
</tr>
</table>
</form>
</body>
</html>
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Grade Calculation</title>
</head>
<body>
<form method="post">
<table>
<tr>
<td>Age:</td>
<td><input type="text" name="age" id="age" /></td>
</tr>
<tr>
<td>Resting Heart Rate: </td>
<td><input type="text" name="RHR" id="RHR" /></td>
</tr>
</table>
</form>
</body>
</html>
preferences:
182.64 ms | 403 KiB | 245 Q