While writing code in a file that would comprise of PHP, HTML, CSS & JavaScript, in what order each must appear? What are the best practices for separating the presentation and the logic? Sometimes external .js and other files are using in the link tag. Where these link tags must appear? Answer This doesn…
Tag: javascript
How to call a JavaScript function from PHP?
How to call a JavaScript function from PHP? The following code is from xyz.html (on a button click) it calls a wait() in an external xyz.js. This wait() calls wait.php. and wait.php where loadxml() calls code from another PHP file the same way. The loadxml() is working fine otherwise, but it is not being call…
Automatically re-direct a user when session Times out or goes idle
I want to have a timer going to run every 3 minutes on the page (javascript), to detect if a php session ($_SESSION) has timed out… and if so, redirect them automatically. A good example would be, a user logs in and runs up stairs, and never comes back down… I want the javascript to log them out w…
Performance considerations of JSON vs. XML
I am using a webservice which provides a large result set either in XML or JSON format. Which format will be faster or better (perfomance based)? Also which language should I use to parse the XML/JSON?…
How can I get stock quotes using Google Finance API?
I’m looking for access to financial data from Google services. I found this URL that gets the stock data for Microsoft. What are all the possible parameters that Google allows for this kind of HTTP request? I’d like to see all the different information that I could get. Answer There’s a whol…
Application access server load
I have developed an application in PHP + JavaScript. I’m using MySQL as database support. Every account for this app will come with a subdomain… so the client Stardust would have stardust.mysite.com. I want to put the application files in a folder outside public_html and link every account from ev…
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
What is the difference between == and === in PHP? What would be some useful examples? Additionally, how are these operators used in JavaScript? Are they related to PHP?