note 118233 added to keyword.extends

extending a PHP class with an included file "delays" the compilation: <?php require 'MySuperclass.php'; var_dump(class_exists('MyFirstClass')); // FALSE class MyFirstClass extends MySuperclass {} // the "compilation" of this is delayed till execution var_dump(class_exists('MyFirstClass')); // TRUE class AnotherSuperclass { /* nothing */} var_dump(class_exists('MySecondClass')); // returns TRUE even if it's called "before" definition class MySecondClass extends AnotherSuperclass {} ?> see also the examples at http://php.net/manual/en/function.class-exists.php discoverd this when autoinitializing some static classes ---- Server IP: 72.52.91.14 Probable Submitter: 93.50.125.138 ---- Manual Page -- http://php.net/manual/en/keyword.extends.php Edit -- https://master.php.net/note/edit/118233 Del: integrated -- https://master.php.net/note/delete/118233/integrated Del: useless -- https://master.php.net/note/delete/118233/useless Del: bad code -- https://master.php.net/note/delete/118233/bad+code Del: spam -- https://master.php.net/note/delete/118233/spam Del: non-english -- https://master.php.net/note/delete/118233/non-english Del: in docs -- https://master.php.net/note/delete/118233/in+docs Del: other reasons-- https://master.php.net/note/delete/118233 Reject -- https://master.php.net/note/reject/118233 Search -- https://master.php.net/manage/user-notes.php