read/write xml file in php, task
This commit is contained in:
@@ -7,6 +7,10 @@ Wichtige Informationen
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- Wir eventuell nie aktuell sein.
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- Stundenplan - [Link](https://wvss-mannheim.webuntis.com/WebUntis?school=wvss-mannheim#/basic/timetablePublic/class?date=2025-12-08&entityId=2583)
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## 11-12-25 - PHP (XML)
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- XML aus PHP erstellt
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- CSV Datei in XML Datei konvertiert
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## 10-12-25 - PHP
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- Unterrichtsprojekt begonnen:
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65
Zweites Jahr/XML/createXmlDocument.php
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65
Zweites Jahr/XML/createXmlDocument.php
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<?php
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error_reporting(E_ALL);
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ini_set("display_errors", 1);
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/*
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<personen>
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<benutzer>
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<benutzername>maier1</benutzername>
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<passwort>mXabc123m!</passwort>
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<vorname>Hubertus</vorname>
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<nachname>Maier</nachname>
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<email>maier1@bfpohg.de</email>
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</benutzer>
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<benutzer> ... </benutzer>
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</personen>
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*/
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// create xml docs
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$xmlDoc = new DOMDocument("1.0", "utf-8");
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$xmlDoc->formatOutput=true;
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// Root element
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$xmlRoot = $xmlDoc->createElement("personen");
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$xmlDoc->appendChild($xmlRoot);
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// first node - benutzer
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$xmlPerson = $xmlDoc->createElement("benutzer");
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// child node of benutzer: benutzername
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$xmlBenutzername = $xmlDoc->createElement("benutzername", "Daniel");
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$xmlPerson->appendChild($xmlBenutzername);
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// child node of benutzer: passwort
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$xmlPasswort = $xmlDoc->createElement("passwort", "danielISTcool");
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$xmlPerson->appendChild($xmlPasswort);
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// append node to root
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$xmlRoot->appendChild($xmlPerson);
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// --- SECOND USER ---
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// second node - benutzer
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$xmlPerson = $xmlDoc->createElement("benutzer");
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// child node of benutzer: benutzername
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$xmlBenutzername = $xmlDoc->createElement("benutzername", "Peter");
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$xmlPerson->appendChild($xmlBenutzername);
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// child node of benutzer: passwort
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$xmlPasswort = $xmlDoc->createElement("passwort", "12345");
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$xmlPerson->appendChild($xmlPasswort);
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// append node to root
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$xmlRoot->appendChild($xmlPerson);
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// create file
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$bytes = $xmlDoc->save(__DIR__ . "/personen.xml");
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var_dump($bytes);
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echo $bytes . "<br>";
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echo __DIR__;
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?>
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11
Zweites Jahr/XML/personen.xml
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11
Zweites Jahr/XML/personen.xml
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<?xml version="1.0" encoding="utf-8"?>
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<personen>
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<benutzer>
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<benutzername>Daniel</benutzername>
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<passwort>danielISTcool</passwort>
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</benutzer>
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<benutzer>
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<benutzername>Peter</benutzername>
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<passwort>12345</passwort>
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</benutzer>
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</personen>
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36
Zweites Jahr/XML/readXmlDocument.php
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36
Zweites Jahr/XML/readXmlDocument.php
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<?php
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error_reporting(E_ALL);
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ini_set("display_errors", 1);
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echo "<h1>XML Ausgabe</h1>";
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// load xml file
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$xmlDoc = new DOMDocument();
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$xmlDoc->load("personen.xml");
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echo "<h2>Einfach</h1>";
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// simple output
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echo $xmlDoc->saveXML();
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echo "<hr>";
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echo "<h2>Gesamte Knoten</h1>";
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// output of individual nodes
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$benutzer=$xmlDoc->getElementsByTagName("benutzer");
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foreach($benutzer as $benutzerDaten){
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echo "<strong>Person: </strong>".$benutzerDaten->textContent."<br>";
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}
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echo "<hr>";
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echo "<h2>Element eines Knotens</h1>";
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// output of an node's element
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foreach($benutzer as $benutzerDaten){
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foreach($benutzerDaten->childNodes as $element){
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if($element->nodeName == "benutzername"){
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echo "<strong>Person: </strong>".$element->textContent."<br>";
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}
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}
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}
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70
Zweites Jahr/aufgaben/csvToXml/convertCSVtoXML.php
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70
Zweites Jahr/aufgaben/csvToXml/convertCSVtoXML.php
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<h1>CSV -> XML</h1>
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<?php
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error_reporting(E_ALL);
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ini_set("display_errors", 1);
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// DOM struktur
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/*
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<?xml version="1.0" encoding="utf-8"?>
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<personen>
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<nr> </nr>
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<vorname> </vorname>
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<nachname> </nachname>
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</personen
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*/
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// READ CSV FILE
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$fileCSV = "e2fi2.csv";
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if(!file_exists($fileCSV)){
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die("File $fileCSV doesn't exist or not found!");
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}
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$fp = @fopen($fileCSV, 'r');
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if(!$fp){
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die("Error while opening CSV file!");
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}
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$header_array =fgetcsv($fp, 0, ";");
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print_r($header_array);
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// CREATE XML DOM
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$xmlDoc = new DOMDocument("1.0", "utf-8");
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$xmlDoc->formatOutput=true;
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$xmlRoot = $xmlDoc->createElement("data");
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$xmlDoc->appendChild($xmlRoot);
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// FILL XML FILE WITH CSV DATA
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while(($row_array = fgetcsv($fp, 0, ";")) !== false){
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// skip emty value
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if ($row_array === null || $row_array === []) {
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continue;
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}
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// create sub elemente
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$xmlSchueler = $xmlDoc->createElement("schuelerdata");
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// for the count of elements in a row do this
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for ($i = 0; $i < count($row_array); $i++){
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// make sure there is a header to row
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if (!isset($header_array[$i])){
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continue;
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}
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// get current collumn
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$column = $header_array[$i];
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echo "$row_array[$i]<br>";
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// create a new element with name of column and row data
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$xmlSchuelerDaten = $xmlDoc->createElement($column, $row_array[$i]);
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$xmlSchueler->appendChild($xmlSchuelerDaten);
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}
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// save element
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$xmlRoot-> appendChild($xmlSchueler);
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}
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// Save whole XML file
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$fileXml = "e2fi2.xml";
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$xmlDoc->save(__DIR__ . "/$fileXml");
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19
Zweites Jahr/aufgaben/csvToXml/e2fi2.csv
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19
Zweites Jahr/aufgaben/csvToXml/e2fi2.csv
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Nr;Vorname;Nachname
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1;Noah;Bassmann
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2;Dawid;Brueller
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3;Maksim;Dessauer
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4;Jonas;Gassenhauer
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5;Klara;Goettinger
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6;Marc;Hausmueller
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7;Timo;Heiterberg
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8;Johannes;Kachelmann
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9;Konstantin;Matern
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10;Anna;Manna
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11;Kamil;Nether
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12;Tobias;Scholz
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13;Eric;Schmidt
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14;Ferdinand;Tetris
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15;Damien;Tapfer
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16;Uemit;Toser
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17;Sebastian;Wenger
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18;Fabio;Wellenwein
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93
Zweites Jahr/aufgaben/csvToXml/e2fi2.xml
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93
Zweites Jahr/aufgaben/csvToXml/e2fi2.xml
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<?xml version="1.0" encoding="utf-8"?>
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<data>
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<schuelerdata>
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<Nr>1</Nr>
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<Vorname>Noah</Vorname>
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<Nachname>Bassmann</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>2</Nr>
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<Vorname>Dawid</Vorname>
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<Nachname>Brueller</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>3</Nr>
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<Vorname>Maksim</Vorname>
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<Nachname>Dessauer</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>4</Nr>
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<Vorname>Jonas</Vorname>
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<Nachname>Gassenhauer</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>5</Nr>
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<Vorname>Klara</Vorname>
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<Nachname>Goettinger</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>6</Nr>
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<Vorname>Marc</Vorname>
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<Nachname>Hausmueller</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>7</Nr>
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<Vorname>Timo</Vorname>
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<Nachname>Heiterberg</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>8</Nr>
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<Vorname>Johannes</Vorname>
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<Nachname>Kachelmann</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>9</Nr>
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<Vorname>Konstantin</Vorname>
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<Nachname>Matern</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>10</Nr>
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<Vorname>Anna</Vorname>
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<Nachname>Manna</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>11</Nr>
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<Vorname>Kamil</Vorname>
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<Nachname>Nether</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>12</Nr>
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<Vorname>Tobias</Vorname>
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<Nachname>Scholz</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>13</Nr>
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<Vorname>Eric</Vorname>
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<Nachname>Schmidt</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>14</Nr>
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<Vorname>Ferdinand</Vorname>
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<Nachname>Tetris</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>15</Nr>
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<Vorname>Damien</Vorname>
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<Nachname>Tapfer</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>16</Nr>
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<Vorname>Uemit</Vorname>
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<Nachname>Toser</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>17</Nr>
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<Vorname>Sebastian</Vorname>
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<Nachname>Wenger</Nachname>
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</schuelerdata>
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<schuelerdata>
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<Nr>18</Nr>
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<Vorname>Fabio</Vorname>
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<Nachname>Wellenwein</Nachname>
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</schuelerdata>
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</data>
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@@ -1,22 +0,0 @@
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<?php
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/*
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<personen>
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<benutzer>
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<benuztername>maier1</benuztername>
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<passwort>mXabc123m!<passwort>
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<vorname>Hubertus</vorname>
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<nachname>Maier</nachname>
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<email>maier1@bfpohg.de</email>
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</benutzer>
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<benutzer> ... </benutzer>
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</personen>
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*/
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// create xml docs
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$doc = new DOMDocumnet()
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?>
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