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--TEST--
call_user_func() should error on reference arguments
--FILE--
<?php
namespace Foo;
function bar(&$ref) {
$ref = 24;
}
$x = 42;
$ref =& $x;
\call_user_func('Foo\bar', $x);
var_dump($x);
$y = 42;
$ref =& $y;
call_user_func('Foo\bar', $y);
var_dump($y);
?>
--EXPECTF--
Warning: Foo\bar(): Argument #1 ($ref) must be passed by reference, value given in %s on line %d
int(42)
Warning: Foo\bar(): Argument #1 ($ref) must be passed by reference, value given in %s on line %d
int(42)
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