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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Obj { } function callback($content) { return isset($GLOBALS['a']) ? $content : 'oops'; } ob_start('callback'); $a = new Obj(); //$b = $a; echo 'okay'; //ob_end_flush(); ?>
Output for 5.2.0 - 7.1.0
oops
Output for 4.3.0 - 5.1.6
okay