--TEST--
Bug #30833 (array_count_values() modifies input array)
--FILE--
<?php

$foo = array('abc', '0000');
var_dump($foo);

$count = array_count_values( $foo );
var_dump($count);

var_dump($foo);

echo "Done\n";
?>
--EXPECT--	
array(2) {
  [0]=>
  string(3) "abc"
  [1]=>
  string(4) "0000"
}
array(2) {
  ["abc"]=>
  int(1)
  ["0000"]=>
  int(1)
}
array(2) {
  [0]=>
  string(3) "abc"
  [1]=>
  string(4) "0000"
}
Done