Difference between revisions of "Database Programmering"

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Line 3: Line 3:
  
 
==Opgave==
 
==Opgave==
Bruger Database (navn og password)
+
Bruger Database (navn og password)<br>
En side til oprettelse af brugere
+
En side til oprettelse af brugere<br>
En side til at verificere et login
+
En side til at verificere et login<br>
Et backup system i json
+
Et backup system i json<br>
  
 
==Eksempler==
 
==Eksempler==
JSON
+
JSON (Mere info: [http://php.net/manual/en/function.json-encode.php json_encode] og [http://php.net/manual/en/function.json-decode.php json_decode])
 
<source lang="php">
 
<source lang="php">
 
<?php
 
<?php

Revision as of 10:29, 5 December 2017

Forberedelse til Mandag

Hav XAMPP klar på jeres computer. XAMPP kan downloades her https://www.apachefriends.org/index.html

Opgave

Bruger Database (navn og password)
En side til oprettelse af brugere
En side til at verificere et login
Et backup system i json

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)

<?php
file_put_contents("myFile.txt", "PHP is used for Server-Side Applications");
echo file_get_contents("myFile.txt");
?>

Saving a File (full)

<?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);
?>