Difference between revisions of "Database Programmering"
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==Forberedelse til Første Kursusdag== | ==Forberedelse til Første Kursusdag== | ||
Hav XAMPP klar på jeres computer. XAMPP kan downloades her https://www.apachefriends.org/index.html | Hav XAMPP klar på jeres computer. XAMPP kan downloades her https://www.apachefriends.org/index.html | ||
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| + | ==Link til Classroom== | ||
| + | https://classroom.github.com/a/87PUc6pC | ||
==Opgave== | ==Opgave== | ||
Revision as of 09:58, 6 December 2017
Forberedelse til Første Kursusdag
Hav XAMPP klar på jeres computer. XAMPP kan downloades her https://www.apachefriends.org/index.html
Link til Classroom
https://classroom.github.com/a/87PUc6pC
Opgave
Bruger Database (navn og password)
En side til oprettelse af brugere
En side til at verificere et login
Et backup system i json
Lav en profil side, der viser data om den nuværende bruger
Eksempler
JSON (Mere info: json_encode og json_decode)
<?php
class MyClass {
public $name = "Mads";
public $age = 27;
public $awesome = TRUE;
}
$mads = new MyClass();
$json = json_encode($mads);
//{"name":"Mads","age":27,"awesome":true}
$newMads = json_decode($json);
echo $newMads->$name;
?>
Saving a File (simple, Mere Info: file_get_contents og file_put_contents)
<?php
file_put_contents("myFile.txt", "PHP is used for Server-Side Applications");
echo file_get_contents("myFile.txt");
?>
Saving a File (full, Mere Info: fopen, fwrite og fread)
<?php
$filename = "myFile.txt";
$handle = fopen($filename, 'w');
fwrite($handle, "Now we have far more control!");
fclose($handle);
$handle = fopen($filename, 'r');
echo "File Says:\n";
echo fread($handle, filesize($filename));
fclose($handle);
?>
Password Hashing (Mere Info: password_hash og password_verify)
<?php
$st = "madsbock";
echo $st . "<br>";
$hash = password_hash($st, PASSWORD_DEFAULT);
echo $hash . "<br>";
if(password_verify($st, $hash)) {
echo "Access Granted";
} else {
echo "Access Denied";
}
?>
Session Variables (Mere Info: Sessions)
<!--Script1.php, Setting a session variable -->
<?php
session_start(); //Must be in every script that uses session variables
$_SESSION["abc"] = "dfg";
?>
<!--Script2.php, Using a session variable -->
<?php
session_start();
echo $_SESSION["abc"]; //outputs "dfg"
?>
<!--Script3.php, Stopping a session -->
<?php
session_start();
session_unset();
session_destroy();
echo $_SESSION["abc"]; //This line will now give error
?>