Category: PHP

PHP optimization, techniques and practises.

Manage and Tweak Dedicated Linux Hosting Web Server

Posted on By admin No Comments on Manage and Tweak Dedicated Linux Hosting Web Server
Linux, PHP

To manage your linux based Dedicated Linux Web server having plesk as control panel. You can do following to tweak, enhance performance and to manage services: Linux Configuration As we do on our normal Linux based server, we list out all the services which are running on the it. We should stop those services which … Read More “Manage and Tweak Dedicated Linux Hosting Web Server” »

Using PHP script to delete a multiple files

Posted on By admin No Comments on Using PHP script to delete a multiple files
PHP

This is short php script to delete files file by file in a loop. To do deletion with PHP, use this little PHP script: $dir = “/directory/”; $dh = opendir($dir); $i = 0; while (($file = readdir($dh)) !== false) { $file = “$dir/$file”; if (is_file( $file)) { unlink( $file); if (!(++$i % 100)) { echo … Read More “Using PHP script to delete a multiple files” »

PHP Code Optimization

Posted on By infoweb No Comments on PHP Code Optimization
Optimization, PHP

I have found the post by Reinhold Webber, which provide good techniques and methods for PHP performance and optimization. I have tried to add more explanation to the points posted by Reinhold Webber.

    1. If a method can be static, declare it static. Speed improvement is by a factor of 4.
    2. echo is faster than print and print_r.
    3. Use echo’s multiple parameters instead of string concatenation.
    4. Set the maxvalue for your for-loops before and not in the loop.
    5. Unset your variables to free memory, especially large arrays.
    6. Avoid magic like __get, __set, __autoload.

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