Req #53351 [NEW]: Autoload should not cancel if called for same class twice

From: Operating system: Ubuntu 10.04 PHP version: 5.3.3 Package: SPL related Bug Type: Feature/Change Request Bug description:Autoload should not cancel if called for same class twice Description: ------------ hi, currently i am using a require-all-script in my system that just plain require-once's all files with correct ending (".class.php";".mdl.php";...) it can find. This happens inside of an autoload-method, calling itself again when a depency (e.g. inheritance) occours. when called again, it will skip all already called includes, since they are require-_once_. Whith this loader i can just add a class file and it will be loaded automaticly without needing me to register it somewhere manually. But it seems i have misunderstood the documentation, because i now have noticed that when two classes extends the same class, it will fail at the second child-class complaining that the parent-class is missing instead of just calling autoload again for the same class, which i thought will happen. now i have to build the initial-loader much more complex, holding a cached depency-list of classes or looking into the source-code when called. Test script: --------------- <?php function __autoload($class){ // throws "Class C not found" // i think it would be cool if it would call autoload again to load C, // so this require_once wont be called again, class C would be loaded and everything would be fine. require_once("B.class.php"); // <-- "<?php class B extends C{}" // this will never be called require_once("C.class.php"); // <-- "<?php class C{}" } // this will call autoload to load class "C" require_once("A.class.php"); // <-- "<?php class A extends C{}" echo "this will never be echo'd..."; ?> Expected result: ---------------- <?php // EXPECTED: function __autoload($class){ // calls autoload again, will be skipped in that second call require_once("B.class.php"); // <-- "<?php class B extends C{}" // will be included in second call, then skippen when back in first run require_once("C.class.php"); // <-- "<?php class C{}" } // this will call autoload to load class "C" require_once("A.class.php"); // <-- "<?php class A extends C{}" // C, B and A are loaded correctly ?> Actual result: -------------- <?php // ACTUAL: function __autoload($class){ // throws fatal error "Class C not found" require_once("B.class.php"); // <-- "<?php class B extends C{}" // this will never be called require_once("C.class.php"); // <-- "<?php class C{}" } // this will call autoload to load class "C" require_once("A.class.php"); // <-- "<?php class A extends C{}" // none class clould be loaded, since it Fatal-error's at B. ?> -- Edit bug report at http://bugs.php.net/bug.php?id=53351&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53351&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53351&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53351&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=53351&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53351&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=53351&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=53351&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=53351&r=needscript Try newer version: http://bugs.php.net/fix.php?id=53351&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=53351&r=support Expected behavior: http://bugs.php.net/fix.php?id=53351&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=53351&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=53351&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=53351&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53351&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=53351&r=dst IIS Stability: http://bugs.php.net/fix.php?id=53351&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=53351&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=53351&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=53351&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=53351&r=mysqlcfg