SPL in PHP 5.3
Oct 21 2009
Here is a great slideshow that explains what is so important (and so interesting) about the SPL libraries included in PHP 5.3.
New SPL Features in PHP 5.3
And for additional reading, head over to the PHP manual: http://us3.php.net/manual/en/spl.datastructures.php
When I switched QueryPath from an array to an SplObjectStorage object, I noticed tremendous speed improvements. And the 5.3 random access extensions to SPLObjectStorage will continue to speed QueryPath's engine. <!--break-->