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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21.1 Eine lokale Datei erstellen oder öffnen
Problem
Sie wollen eine lokale Datei öffnen, um Daten aus ihr zu lesen oder um Daten in sie zu schreiben.
Lösung
Verwenden Sie fopen():
$fh = fopen('datei.txt','r') or die("Kann datei.txt nicht öffnen: $php_errormsg");Diskussion
Das erste Argument bei fopen() ist die zu öffnende Datei. Das zweite Argument ist der Modus, mit dem die Datei geöffnet werden soll. Der Modus gibt an, welche Operationen mit der Datei durchgeführt werden können (Lesen und/oder Schreiben), wohin nach dem Öffnen der Dateizeiger gesetzt wird (an den Anfang oder ans Ende der Datei), ob die Datei nach dem Öffnen auf die Länge null gekürzt wird und ob die Datei erstellt wird, wenn sie nicht vorhanden ist. Die verschiedenen Modi sind in ...
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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.