Smarty PHP Template Programming and Applications



Smarty is a well-known "Template Engine" which helps to separate programmer's PHP code from designer's HTML code. Smarty helps in quick and painless development and deployment of application, while maintaining high-performance, scalability, security and future growth. Smarty also provides several features like Smarty is Easy to Use and Maintain, Security, Template Functions, Configuration Files, Variable Modifiers, Filters, Resources, Plug-ins and Add-ons, Debugging, Compiling and Performance. The result of all this is that designers can concentrate on designing, programmers can concentrate on programming.

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Image based hit counter in PHP to keep track of visitor.

Here we are going to design simple image based hit counter to keep track of visitor. We are going to keep record in a text file so we do need any kind of database. We are going to keep whole record in counter.txt file. In the same directory where you putting the PHP file for this counter, create a file 'counter.txt' and CHMOD it to 0777. Initially put 0 in it and save the file. As this counter is image based we are putting our Image in "imgs" folder.

Click here for live Demo

Directory Listings, list files and subfolder using php

This is the simple example to list contents of any Directory. To do this we are going to define function DirDisply( ) which will read the current directory contents and display it as a list.

We first open current directory by $TrackDir=opendir(".");
The opendir function returns a directory handle resource on success, or FALSE on failure.

Syntax is:
opendir ( string path [, resource context] )

Where:
Path - The directory path that is to be opened

Context - For a description of the context parameter, refer to the streams section of the php manual.