Educational

Category: PHP

  • XML Introduction

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    by

    Saim Khalid
    in

    With the help of PHPs built-in functions and libraries, we can handle manipulation of XML data. XML, which stands for eXtensible Markup Language, is a data format for structured document interchange, especially on the Web. XML is a popular file format used for serialization of data storing the data, transmitting it to another location, and…

  • AJAX RSS Feed Example

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    by

    Saim Khalid
    in

    Really Simple Syndication (RSS) RSS, which stands for Really Simple Syndication, is used to publish often updated information from website like audio, video, images, etc. We can integrate RSS feeds to a website by using AJAX and PHP. This code demonstrates how to show RSS feeds in our site. Index.html The index page should be…

  • AJAX Auto Complete Search

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    by

    Saim Khalid
    in

    Autocomplete feature is a typeahead mechanism to show input suggestion as the user enters data in the search box provided. It is also called live search because it reacts to the users’ input. In this example, we shall use AJAX and XML parser in PHP to demonstrate the use of auto complete text box. This…

  • AJAX XML Parser

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    by

    Saim Khalid
    in

    Using PHP with AJAX, we can parse an XML document from local directory as well as on a server. The following example demonstrates how to parse XML with web browser. The client-end script renders a HTML form and defines a JavaScript function for sending a HTTP request to the server with XMLHttpRequest object. On the…

  • AJAX Search

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    by

    Saim Khalid
    in

    AJAX is a shortform of the term Asynchronous JavaScript and XML. Ajax is used to build fast and dynamic web pages. Below example demonstrates interaction with the backend PHP script with AJAX functions to provide a search field on the webpage. Step 1 Save the following script as “example.php” − <html><head><style> span { color: green;…

  • AJAX Introduction

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    by

    Saim Khalid
    in

    PHP powered web applications often make use of AJAX, together they are useful to create dynamic and interactive web applications. AJAX stands for Asynchronous Javascript and XML. It allows webpages to be updated asynchronously without reloading the entire page. In AJAX applications, the exchange of data between a web browser and the server-side PHP script is…

  • Flash Messages

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    by

    Saim Khalid
    in

    Message flashing in a PHP web application refers to the technique that makes certain messages popup on the browser window for the user to receive applications feedback. To be able to give the user a meaningful feedback to his interactions is an important design principle, that gives a better user experience. In a PHP web application,…

  • Post Redirect Get 

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    by

    Saim Khalid
    in

    In PHP, PRG stands for “Post/Redirect/Get”. It is a commonly used technique that is designed to prevent the resubmission of a form after it’s been submitted. You can easily implement this technique in PHP to avoid duplicate form submissions. Usually a HTML form sends data to the server with the POST method. The server script…

  • Sanitize Input

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    by

    Saim Khalid
    in

    In PHP, it is important to ensure that the input data is sanitized properly by removed any undesired characters before it is processed by the server side code. Usually, the users input their data to a PHP web application through a HTML form. If the form data consists of any undesired characters, it may prove…

  • Sending Emails

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    by

    Saim Khalid
    in

    The provision of sending emails is one the commonly required features of a typical PHP powered web application. You would like to send emails containing notifications, updates and other communications to your registered users, through your PHP application itself, instead of a different mail service. You can add this capability to your PHP application by…