This article mainly introduces the usage of the opendir function in php. It details the usage of the opendir function to open a directory and related precautions in the form of examples. It has certain reference value. Friends in need can refer to it
Examples in this article Analyzed the usage of opendir function in php. Share it with everyone for your reference. The details are as follows:
opendir syntax: opendir(path,context)
Directory, function description: open a directory handle, the opendir() function opens a directory handle, then the function returns a directory stream, otherwise it returns false. Let’s take a look at opendir List all file instances in the directory, the code is as follows:
$dirs ='./';//指定当前上当 if( is_dir( $dirs ) ) { $hanld = opendir($dirs); while (($file = readdir($hanld)) !== false) { echo "文件名: " . $file . "<br />"; } closedir($hanld); } else { echo '不是目录'; }
Output results:
File name: a
File name: b
File name: www.manongjc.com
Tips and comments:
Comments: From PHP 5.0. Starting from 0, the path parameter supports ftp:// URL wrapper
Note: In PHP 4.3.0, the path parameter can be any URL that supports directory listing, but in PHP 4 only the file:// URL wrapper supports this feature.
I hope this article will be helpful to everyone’s PHP programming design.
Related reading:
http://www.manongjc.com/article/1495.html
http://www.manongjc.com/article/1496.html

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