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stundenlohn.php
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stundenlohn.php
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<?php
/**
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* For more information, please refer to <http://unlicense.org>
*/
if (isset($_POST['id'])) {
$id = $_POST['id'];
$con = mysqli_connect('localhost', 'root', '');
mysqli_select_db($con, 'schule');
$res = mysqli_query($con, "SELECT * FROM `personen` WHERE `personalnummer` = '$id'");
$num = mysqli_num_rows($res);
$gehalt = 0;
if ($num > 0)
echo "Ergebnis:<br>";
else
echo "keine Ergebnisse!<br>";
while ($data = mysqli_fetch_assoc($res)) {
$gehalt += $data['anzahl'] * $data['stundenlohn'];
}
echo "Gehalt: $gehalt";
echo "<br>";
mysqli_close($con);
}
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<form action="stundenlohn.php" method="post">
<label for="id">personalnummer</label>
<input type="number" name="id" id="id">
<input type="submit">
</form>
</body>
</html>