PHP versions

It looks like the only reason the current release is PHP 5-only is because I'm using a single PHP 5 method (str_split, if you're interested in SWX trivia!) Unfortunately, simply replacing that with the Pear Compat version wasn't a plug-and-play solution for PHP 4 compatibility. Apparently that's wasn't the only difference. There is also a bug in how unpack() works in PHP 4 (and some versions of PHP 5) that is causing my tests to fail.

I'm looking into this now and I will post a new release (v0.1b) once I have SWX running on both PHP 4 and 5. For the moment, please test it out on a current version of PHP 5.

7 Responses to “PHP versions”


  1. 1 Drew McLellan

    I don’t fully grok SWX yet, but it should be fairly trivial to check for the availably of str_split (using function_exists) and define it yourself if it’s not there.

  2. 2 Folkert

    maybe something like this will help on the str_split workaround for php4:

    if (!function_exists('str_split')) {
    function str_split($str) {
    $arr = array();
    if (is_string($str)) {
    for ($i = 0; $i

  3. 3 Folkert

    hum breaks, i mail it to you

  4. 4 Drew McLellan

    Don’t forget the second optional $split_length argument. Something like this should probably do it:

    http://drewmclellan.net/code/samples/str_split.phps

  5. 5 aral

    Hi guys,

    Thanks for your feedback. The problem is not with the PHP4 version str_split. The Pear Compat library has a version and there are several on the PHP man pages. The problem is the bug with unpack() not working correctly. I’m looking into that now. The str_split side of it isn’t a problem. :)

  6. 6 Drew McLellan

    Ah ok, so SWX isn’t PHP 5-only because you’re using a single PHP 5 method, it’s PHP 5 because of a bug in PHP4. Why didn’t you say so! ;)
    Sod PHP 4. Are flashers all retro PHP junkies or something? :)

  7. 7 aral

    LOL! Yeah, I just updated the post to try and make it clearer. Apologies for the confusion! :)

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