note 78047 added to function.get-declared-classes

Summary: * in PHP 5.1 class names have case preserved * contrary, in PHP 4.4 class names are downcased, withe exception of a few build-in ones The get_declared_classes() funcition returns the list of names with case preserved, as of PHP 5.1 series (prolly 5.0 too, but i have no way to test it right now). Since PHP generally is caseless in regard to names of classes, this may come at a surprise. Also, this could potentially break older code asssuming downcased list. Take extra care when checking for existence of a class. Following example is, potentially, error prone: <?php in_array( $className, $classget_declared_classes() ) ?> A sure-fire (while slower) way would be to iterate over the array and normalize case to, say, lower: <?php $exists = FALSE; $className = strtolower( $className ); foreach ( get_declared_classes() as $c ) { if ( $className === strtolower( $c ) ) { $exists = TRUE; break; } }?> Optimization of the above snippet is left as a simple excercise to the reader ;) -- dexen deVries ---- Server IP: 195.136.184.34 Probable Submitter: 195.248.88.243 ---- Manual Page -- http://www.php.net/manual/en/function.get-declared-classes.php Edit -- https://master.php.net/note/edit/78047 Del: integrated -- https://master.php.net/note/delete/78047/integrated Del: useless -- https://master.php.net/note/delete/78047/useless Del: bad code -- https://master.php.net/note/delete/78047/bad+code Del: spam -- https://master.php.net/note/delete/78047/spam Del: non-english -- https://master.php.net/note/delete/78047/non-english Del: in docs -- https://master.php.net/note/delete/78047/in+docs Del: other reasons-- https://master.php.net/note/delete/78047 Reject -- https://master.php.net/note/reject/78047 Search -- https://master.php.net/manage/user-notes.php