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--TEST--
Observer: Retvals are observable that are: IS_CV, IS_UNDEF
--SKIPIF--
<?php if (!extension_loaded('zend-test')) die('skip: zend-test extension required'); ?>
--INI--
zend_test.observer.enabled=1
zend_test.observer.observe_all=1
zend_test.observer.show_return_value=1
--FILE--
<?php
function foo() {
return $i_do_not_exist; // IS_CV && IS_UNDEF
}
$res = foo(); // Retval used
foo(); // Retval unused
echo 'Done' . PHP_EOL;
?>
--EXPECTF--
<!-- init '%s%eobserver_retval_%d.php' -->
<file '%s%eobserver_retval_%d.php'>
<!-- init foo() -->
<foo>
Warning: Undefined variable $i_do_not_exist in %s on line %d
</foo:NULL>
<foo>
Warning: Undefined variable $i_do_not_exist in %s on line %d
</foo:NULL>
Done
</file '%s%eobserver_retval_%d.php'>
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