--TEST--
Bug #73392 (A use-after-free in zend allocator management)
--FILE--
<?php
class Rep {
    public function __invoke() {
        return "d";
    }
}
class Foo {
    public static function rep($rep) {
        return "ok";
    }
}
function b() {
    return "b";
}
var_dump(
    preg_replace_callback_array(
        [
            "/a/" => 'b',
            "/b/" => function () {
                return 'c';
            },
            "/c/" => new Rep(),
            "reporting" => ["Foo", "rep"],
            "a1" => ["Foo", "rep"],
        ],
        'a'
    )
);
?>
--EXPECTF--
Warning: preg_replace_callback_array(): Delimiter must not be alphanumeric, backslash, or NUL byte in %sbug73392.php on line %d
NULL