Re: [PHP4BETA]: require strategies

Daniel Landau wrote: > > How do you folks deal with the following problem (if you ever do): > > FOO requires BAZ, and BAR requires BAZ, and FOO requires BAR. If both FOO > and BAR include BAZ, then a function redefinition error occurs. If FOO is > left responsible for including BAZ, and BAR is used independently of FOO > (without being included by FOO) then FOO has not included BAZ, and an > undefined function error occurs. > > It seems to me that require() should be responsible for tracking this kind > of stuff, but it doesn't seem to be. Also, I though about writing a function > to track repeated includes and not repeat, but including that function would > subject to the same conundrum as above. > > Any ideas? [BAZ] <?if (!defined('_BAZ')){ define('_BAZ',1); // content }?> [BAR] <?if (!defined('_BAR')) { define('_BAR',1); if (!defined('_BAZ')) include 'BAZ'; //content }?> [FOO] <? if(!defined('_FOO')) { define('_FOO',1); if (!defined('_BAR')) include 'BAR'; if (!defined('_BAZ')) include 'BAZ'; //content }?> that's all :) -- CIMPOESU Teodor, Web Programmer @ DIGICOM S.A. Bucharest, Romania @ Internet, site development @ teo@digiro.net , +(401)-330.47.28 official home page ~ http://www.digiro.net/ Internet web page ~ http://internet.digiro.net/