Newest Tutorials

PHP has several settings for logging errors; in this post I will look at the log_errors and error_log settings which control whether errors should be logged and where to.

This post shows how to populate a select box based on the value of the another, by getting JSON data with jQuery from a PHP script that gets the data from a MySQL database.

As part of a series of posts about PHP exception handling, this post looks at how to make regular errors use exception model. Normally only the newer object-oriented extensions throw exceptions but it is possible to make all errors throw an exception instead using set_error_handler.

CSS has a matching syntax for selectors which makes it possible to match the filename extension at the end of an href. This makes it easy to add an icon which relates to the link before or after the text part of the link.

jQuery's .offset() method returns an offset containing the top and left co-ordinates of the element top-left position relative to the document as a whole.

A few months ago I posted how to loop through key value pairs from an associative array with Javascript. I do a lot of work with jQuery these days (and am about to start working with MooTools on a new project, so am bound to start posting about MooTools shortly :) so in this post look at how to do the same but using jQuery's each function.

This post is part of a series about PHP exceptions and exception handling; the first post gave a basic overview of how they work and this one shows the information that is available from the exception object when an exception is caught.

My last jQuery post looked at how to count the number of options in a select and then clear all options from the select. This post looks at how to add a new option to a select with jQuery.

A week ago I looked at how to escape a string for use with a SQL query using the PHP PEAR DB escapeSimple function. This is useful for embedding a variable directly into a SQL query string but it can be a lot easier to use bound placeholders instead and let PEAR DB do all the escaping.

This is the third in a series of posts about exception handling in PHP and looks at how to specify a default exception handler. The default handler is called for any exceptions that occur which are not enclosed in a try..catch block.