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--TEST--
Observer: Retvals by reference are observable that are: IS_VAR, ZEND_RETURNS_FUNCTION
--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
opcache.optimization_level=0
--FILE--
<?php
function getMessage() {
return 'I should be observable';
}
function &foo() {
return getMessage(); // IS_VAR + ZEND_RETURNS_FUNCTION
}
$res = foo(); // Retval used
foo(); // Retval unused
echo 'Done' . PHP_EOL;
?>
--EXPECTF--
<!-- init '%s%eobserver_retval_by_ref_%d.php' -->
<file '%s%eobserver_retval_by_ref_%d.php'>
<!-- init foo() -->
<foo>
<!-- init getMessage() -->
<getMessage>
</getMessage:'I should be observable'>
Notice: Only variable references should be returned by reference in %s on line %d
</foo:'I should be observable'>
<foo>
<getMessage>
</getMessage:'I should be observable'>
Notice: Only variable references should be returned by reference in %s on line %d
</foo:'I should be observable'>
Done
</file '%s%eobserver_retval_by_ref_%d.php'>
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