1--TEST-- 2Observer: Retvals are observable that are: IS_REFERENCE, IS_VAR 3--EXTENSIONS-- 4zend_test 5--INI-- 6zend_test.observer.enabled=1 7zend_test.observer.observe_all=1 8zend_test.observer.show_return_value=1 9--FILE-- 10<?php 11function &getMessage() { 12 $retval = 'I should be observable'; 13 return $retval; 14} 15 16function foo() { 17 return getMessage(); // IS_REFERENCE + IS_VAR 18} 19 20$res = foo(); // Retval used 21foo(); // Retval unused 22 23echo 'Done' . PHP_EOL; 24?> 25--EXPECTF-- 26<!-- init '%s%eobserver_retval_%d.php' --> 27<file '%s%eobserver_retval_%d.php'> 28 <!-- init foo() --> 29 <foo> 30 <!-- init getMessage() --> 31 <getMessage> 32 </getMessage:'I should be observable'> 33 </foo:'I should be observable'> 34 <foo> 35 <getMessage> 36 </getMessage:'I should be observable'> 37 </foo:'I should be observable'> 38Done 39</file '%s%eobserver_retval_%d.php'> 40