note 16097 modified in function.array-diff by vrana
| From: | vrana@php.net | Date: | Tue, 17 Aug 2004 13:57:47 +0000 |
| Subject: | note 16097 modified in function.array-diff by vrana | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-79921@lists.php.net to get a copy of this message | ||
I just came upon a really good use for array_diff(). When reading a dir(opendir;readdir), I _rarely_
want "." or ".." to be in the array of files I'm creating. Here's a
simple way to remove them:
<?php
$someFiles = array();
$dp = opendir("/some/dir");
while($someFiles[] = readdir($dp));
closedir($dp);
$removeDirs = array(".","..");
$someFiles = array_diff($someFiles, $removeDirs);
foreach($someFiles AS $thisFile) echo $thisFile."\n";
?>
S
--was--
I just came upon a really good use for array_diff(). When reading a dir(opendir;readdir), I _rarely_
want "." or ".." to be in the array of files I'm creating. Here's a
simple way to remove them:
$someFiles = array();
$dp = opendir("/some/dir");
while($someFiles[] = readdir($dp));
closedir($dp);
$removeDirs = array(".","..");
$someFiles = array_diff($someFiles, $removeDirs);
foreach($someFiles AS $thisFile) echo $thisFile."\n";
S
http://php.net/manual/en/function.array-diff.php