On Jan 27, 2008 1:33 PM, Nathan Nobbe <quickshiftin@xxxxxxxxx> wrote:
> On Jan 23, 2008 8:02 AM, Eric Butera <eric.butera@xxxxxxxxx> wrote:
>
> > Maybe someday SPL will become part of the PHP manual too. ;)
> >
>
> ill admit, the doxygen documentation is a little daunting at first. at
> least
> more so than phpDocumentor for example. but once youve cruised around
> the spl docs for a little while, you can see its truly amazing. marcus has
> done a superb job with it!
> and, ive made a discovery. im sure this is novice level, for people who
> actually
> have a clue what they are doing w/ spl, which unfortunately seems like next
> to
> no one. well, im getting to know it; anyway, i digress.
> DualIterator is not 'in' php, because well, its not written in c. marcus
> has distributed
> several classes and procedural files along with the c code to round out the
> spl
> extension. the example code is included in the php source, so in order to
> use it
> youll have to download the source and unpack it. you will find the example
> code
> beneath
> ext/spl/examples
> in particular, the DualIterator class is in the
> dualiterator.inc
> file. and now, for my last trick, an example of the DualIterator, to
> illustrate how simple
> it is, (and incidentally less error prone than rolling your own, since its
> been tested).
>
> <?php
> require('dualiterator.inc');
>
> $leftSideArray = array('one' => 1, 'two' => 2, 'three' => 3, 'four' => 4);
> $rightSideArray = array('one' => 'a', 'two' => 'b', 'three' => 'c', 'four'
> => 'd');
>
> $di = new DualIterator(new ArrayIterator($leftSideArray), new
> ArrayIterator($rightSideArray));
>
> while($di->valid()) {
> var_dump($di->key());
> var_dump($di->current());
> $di->next();
> }
> ?>
>
> to test whether the arrays have the same number of keys and values; in this
> example all we
> would have to do is:
> $di->areEqual();
>
> -nathan
>
I was just pointing out how fragmented PHP5+ is. Look at the docs on
SPL and the DOM stuff, it's horrible.
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