Securing forms using captcha.
Securing forms usng captcha has become a common practise nowadays.
Here is a simple method to do this.
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dhtmlxSuite 2008 Rel.2, Build Dynamic Data-Driven Grids from XML, CSV or JSON
DHTMLX announced the latest update of its dhtmlxSuite, a professional Ajax components toolkit for web UI. The major updates concern Grid and Treegrid components and include a large number of new features and improvements, including the ability to load data from JSON and JS-array, smart rendering and paging support for hierarchical data grids. Also a new component, dhtmlxSlider, is introduced.
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DHTMLX Launches Updated Website Dedicated to Its Ajax UI Toolkit
DHTMLX team announced the update of their website www.dhtmlx.com mostly dedicated to DHTMLX Toolkit, professional AJAX components for advanced Web UI. As the components are written entirely in JavaScript, they can be easily integrated with any server-side technology (PHP, ASP, JSP, Ruby, etc.).
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Scand Updates Its Ajax UI Components Grid and Tabbar
Scand released new versions of dhtmlxGrid and dhtmlxTabbar, Ajax-enabled JavaScript UI components with complete functionality and ability to work with any server-side technology including PHP, ASP, ASP.Net, Java and Rails.
PHP File Upload Errors Explained
From version 4.2.0, PHP has got a new set of error codes that handles and reports all errors occuring during file upload, in the filearray object. The error is found in $_FILES['userfile']['error'].These error codes and their explanations are given in this article.
Building and calling webservices using SOAP
Web services allow you to share data across many platforms and hardware configurations. You create a webservice in PHP, pass the webservice URl to an asp.net program, and it easily calls the webservice methods to get the data from your server. PHP has various methods to create and use webservices. XML-RPC, SOAP and REST are a few. In this article we will find out how we can create and use a webservice using SOAP. Basic database programming knowledge using PHP is assumed.
Checking for GD
To check whether your php installation has GD configured in it, you can do either of the following methods :
Force download files using PHP
At times we might want to give files for users to download. Also you wouldn't want to have the file storage location in a public access folder. To achieve these, you can store the file in an internal folder which is not accesible to public via a URL, and force the file to be downloaded using php header.
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Creating search engines using webservices
You must have seen many sites have a site search facility. You probably might have create many similiar sites too. Ok. But now you want an Internet Search Facility in your site. So what would you do? Quit jobs and join Stanford University to learn more about Data Mining Methodologies? Or start working on a million dollar prototype of (yet another) ‘Jerry’s Guide to the World Wide Web’?
Relax. There are easier ways to have a Search Engine in your site.
In this article we will look at how we can use Yahoo Web Services can help us have a SE up and running in a matter of minutes.
PHP Regular Expressions
A regular expression is a pattern that is matched against a subject string from left to right. Most characters stand for themselves in a pattern, and match the corresponding characters in the subject.
