June 2005
Intermediate to advanced
794 pages
18h 27m
German
Content preview from PHP 5 KochbuchBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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22.7 Alle Dateien in einem Verzeichnis bearbeiten
Problem
Sie möchten alle Dateien in einem Verzeichnis durchlaufen. Zum Beispiel möchten Sie eine select-Auswahlliste erzeugen, die alle Dateien in einem Verzeichnis auflistet.
Lösung
Iterieren Sie über ein Verzeichnis mit foreach und einem DirectoryIterator-Objekt:
foreach (new DirectoryIterator($path) as $filename) {
// Etwas mit $filename machen.
}Diskussion
DirectoryIterator ist ein Beispiel für einen eingebauten Iterator in PHP 5 oder, genauer gesagt, in der PHP-Standardbibliothek SPL (Standard PHP Library). Sie erzeugen eine Instanz der Klasse, indem Sie dem Konstruktor einen Pfad übergeben, und iterieren über das Objekt wie über ein Array.
Der DirectoryIterator gibt jeden Eintrag in einem Verzeichnis ...
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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.
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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.