September 2009
Intermediate to advanced
912 pages
48h 11m
German
book
PHP 5 Kochbuch, Third Edition
by David Sklar, Adam Trachtenberg, Carsten Lucke, Matthias Brusdeylins, Ulrich Speidel, Stephan Schmidt
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
17.4 Passwörter speichern
Problem
Sie müssen die Passwörter der Benutzer verwalten, damit diese sich in Ihre Webseite einloggen können.
Lösung
Wenn sich ein Benutzer anmeldet, erstellen Sie mit crypt( ) einen Hash-Wert aus dem von ihm gewählten Passwort und speichern diesen in Ihrer Benutzerdatenbank:
// Passwort verschlüsseln.
$verschluesseltes_passwort = crypt($_REQUEST['passwort']);
// $verschluesseltes_passwort in der Benutzerdatenbank speichern.
$dbh->query('INSERT INTO benutzer (benutzername,passwort) VALUES (?,?)',
array($_REQUEST['benutzername'],$verschluesseltes_passwort));Wenn der Benutzer dann versucht, sich in Ihre Webseite einzuloggen, verschlüsseln Sie das von ihm angegebene Passwort ebenfalls mit crypt( ) und vergleichen es mit dem ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.