Voll Upload SGD Fachinformatiker PHP
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>Einsendeaufgabe 2</title>
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<?php
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require("meinefunktionen.inc.php");
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?>
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</head>
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<body>
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<h1>Rechner</h1>
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<?php
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if(is_numeric($_POST["zahl1"]) && is_numeric($_POST["zahl2"])) {
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if(isset($_POST["zahl1"])){
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switch($_POST["operator"]){
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case "+":
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$ergebnis = addiere($_POST["zahl1"], $_POST["zahl2"]);
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break;
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case "-":
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$ergebnis = subtrahiere($_POST["zahl1"], $_POST["zahl2"]);
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break;
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case "*":
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$ergebnis = multipliziere($_POST["zahl1"], $_POST["zahl2"]);
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break;
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case "/":
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$ergebnis = dividiere($_POST["zahl1"], $_POST["zahl2"]);
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break;
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default:
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echo "<p><b>Bitte eine Rechenoperation angeben!</b></p>\n";
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break;
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}
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}
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}
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else {
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if(isset($_POST["zahl1"])){
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echo "Bitte Nummern eingeben";
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}
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}
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?>
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<?php
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if(isset($ergebnis)){
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echo "<p><b> {$_POST["zahl1"]} {$_POST["operator"]} {$_POST["zahl2"]} = $ergebnis</b></p>\n";
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}
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?>
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<form action="<?php echo $_SERVER["PHP_SELF"] ?>" method="post">
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<p>
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Bitte geben Sie in den Feldern die Daten ein:
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</p>
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<p>
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<label for="zahl1">Zahl 1</label>
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<input type="text" name="zahl1" id="zahl1" placeholder="Zahl 1" required autofocus>
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</p>
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<p>
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<label for="zahl2">Zahl 2</label>
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<input type="text" name="zahl2" id="zahl2" placeholder="Zahl 2" required>
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</p>
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<p>
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<li><input type="radio" name="operator" id="addieren" value="+">
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<label for="addieren">+</label></li>
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<li><input type="radio" name="operator" id="subtrahieren" value="-">
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<label for="subtrahieren">-</label></li>
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<li><input type="radio" name="operator" id="multiplikation" value="*">
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<label for="multiplikation">*</label></li>
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<li><input type="radio" name="operator" id="division" value="/">
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<label for="division">/</label></li>
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</p>
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<p>
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<input type="submit" value="Berechnen">
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<input type="reset" value="Zurücksetzen">
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</p>
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</form>
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</body>
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</html>
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