php readdir order

Determines whether the directory is empty, true is null, false is not empty function Is_empty_dir ($fp) {$H = @ opendir ($fp), $i =0, while ($_file=readdir ($H)) {$i + +;} Closedir ($H); if ($i >2) {return false;} Else{return true;}} 1. Determine if

Standard file I/Ofopen, unlink, flock, file, opendir, readdir fopen (public file) $ Fno = fopen ("path/filename", 'r '); | _ r read-only | r + input/output | w write-only | w + input/output (overwrite) | a append output | a + input/output (append

Administrators of more than 3 million Internet websites around the world are using PHP, making it one of the most popular server-side scripting languages. It features fast running, stable and reliable, cross-platform, and openSource codeSoftware.

Administrators of more than 3 million Internet websites around the world are using PHP, making it one of the most popular server-side scripting languages. It features fast running, stable and reliable, cross-platform, and open source software.

"One, server-side Configuration"Security, PHP code writing is on the one hand, PHP configuration is very critical.We PHP hand-installed, PHP default configuration file in/usr/local/apache2/conf/php.ini, we mostly want to configure the content in PHP.

PHP Core Knowledge Essentials, PHP core points PHP: scripting language, website building, server-side running PHP Definition: A server-side HTML scripting/programming language, is a simple, object-oriented, interpreted, robust, secure, high

"Developing robust code with PHP" is a series of articles on solving real-world problems in large and medium-sized applications. In this article, PHP veteran Amol Hatwar discussed how to use variables effectively. He also demonstrated how to

1.PHP Popen How to implement multi-process concurrency execution, the pclose in the loop waits for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement 5 processes each time, and each process is

Php manages files. php has many file processing functions. File_get_contents returns a string for reading the content in the file. If the Read fails, false is returned. $contents = file_get_contents('C:/private/filetest01.txt');if ($contents ===

Ordinary PHP Programmer pen TestTags: programmer PHP interview 2009-02-06 15:191. Use PHP to print out the day before, the print format is May 10, 2007 22:21:212. PHP code is as follows:$a = "Hello";$b = $a;Unset ($b);$b = "World";echo $a;What is