Difference between revisions of "Database Programmering"
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| − | ==Forberedelse til | + | ==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 | ||
| + | |||
| + | ==Link til Classroom== | ||
| + | https://classroom.github.com/a/87PUc6pC | ||
==Opgave== | ==Opgave== | ||
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En side til at verificere et login<br> | En side til at verificere et login<br> | ||
Et backup system i json<br> | Et backup system i json<br> | ||
| + | Lav en profil side, der viser data om den nuværende bruger<br> | ||
| + | Lav et status system (One to Many)<br> | ||
| + | Lav upload af profil billede (Avanceret)<br> | ||
| + | Lav enten et event system, eller et friend system (Avanceret)<br> | ||
==Eksempler== | ==Eksempler== | ||
Latest revision as of 12:02, 7 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
Lav et status system (One to Many)
Lav upload af profil billede (Avanceret)
Lav enten et event system, eller et friend system (Avanceret)
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
?>