Difference between revisions of "Database Programmering"

From Teknologisk videncenter
Jump to: navigation, search
Line 27: Line 27:
 
</source>
 
</source>
  
Saving a File (simple)
+
Saving a File (simple, Mere Info: [http://php.net/manual/en/function.file-get-contents.php file_get_contents] og [http://php.net/manual/en/function.file-put-contents.php file_put_contents])
 
<source lang="php">
 
<source lang="php">
 
<?php
 
<?php
Line 35: Line 35:
 
</source>
 
</source>
  
Saving a File (full)
+
Saving a File (full, Mere Info: [http://php.net/manual/en/function.fopen.php fopen], [http://php.net/manual/en/function.fwrite.php fwrite] og [http://php.net/manual/en/function.fread.php fread])
 
<source lang="php">
 
<source lang="php">
 
<?php
 
<?php

Revision as of 12:01, 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, 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);
?>