--TEST--
preg_replace_callback() 2
--FILE--
<?php

function f() {
	throw new Exception();
}

try {
var_dump(preg_replace_callback('/\w/', 'f', 'z'));
} catch(Exception $e) {}

function g($x) {
	return "'$x[0]'";
}

var_dump(preg_replace_callback('@\b\w{1,2}\b@', 'g', array('a b3 bcd', 'v' => 'aksfjk', 12 => 'aa bb')));

var_dump(preg_replace_callback('~\A.~', 'g', array(array('xyz'))));

var_dump(preg_replace_callback('~\A.~', create_function('$m', 'return strtolower($m[0]);'), 'ABC'));
?>
--EXPECTF--
array(3) {
  [0]=>
  unicode(12) "'a' 'b3' bcd"
  [u"v"]=>
  unicode(6) "aksfjk"
  [12]=>
  unicode(9) "'aa' 'bb'"
}

Notice: Array to string conversion in %s on line %d
array(1) {
  [0]=>
  unicode(7) "'A'rray"
}
unicode(3) "aBC"