- $output .= $itoa64[min($iteration_count_log2 + ((PHP_VERSION >= 5) ? 5 : 3), 30)];

- if (PHP_VERSION >= 5)

- {

- $hash = md5($salt . $password, true);

- do

- {

- $hash = md5($hash . $password, true);

- }

- while (--$count);

- }

- else

- $hash = pack('H*', md5($salt . $password));

- do

- {

- $hash = pack('H*', md5($hash . $password));

- }

- while (--$count);

-// Compatibility functions

-

-if (!function_exists('array_combine'))

-{

- /**

- * A wrapper for the PHP5 function array_combine()

- * @param array $keys contains keys for the resulting array

- * @param array $values contains values for the resulting array

- *

- * @return Returns an array by using the values from the keys array as keys and the

- * values from the values array as the corresponding values. Returns false if the

- * number of elements for each array isn't equal or if the arrays are empty.

- */

- function array_combine($keys, $values)

- {

- $keys = array_values($keys);

- $values = array_values($values);

-

- $n = sizeof($keys);

- $m = sizeof($values);

- if (!$n || !$m || ($n != $m))

- {

- return false;

- }

-

- $combined = array();

- for ($i = 0; $i < $n; $i++)

- {

- $combined[$keys[$i]] = $values[$i];

- }

- return $combined;

- }

-}

-

-if (!function_exists('str_split'))

-{

- /**

- * A wrapper for the PHP5 function str_split()

- * @param array $string contains the string to be converted

- * @param array $split_length contains the length of each chunk

- *

- * @return Converts a string to an array. If the optional split_length parameter is specified,

- * the returned array will be broken down into chunks with each being split_length in length,

- * otherwise each chunk will be one character in length. FALSE is returned if split_length is

- * less than 1. If the split_length length exceeds the length of string, the entire string is

- * returned as the first (and only) array element.

- */

- function str_split($string, $split_length = 1)

- {

- if ($split_length < 1)

- {

- return false;

- }

- else if ($split_length >= strlen($string))

- {

- return array($string);

- }

- else

- {

- preg_match_all('#.{1,' . $split_length . '}#s', $string, $matches);

- return $matches[0];

- }

- }

-}

-

-if (!function_exists('stripos'))

-{

- /**

- * A wrapper for the PHP5 function stripos

- * Find position of first occurrence of a case-insensitive string

- *

- * @param string $haystack is the string to search in

- * @param string $needle is the string to search for

- *

- * @return mixed Returns the numeric position of the first occurrence of needle in the haystack string. Unlike strpos(), stripos() is case-insensitive.

- * Note that the needle may be a string of one or more characters.

- * If needle is not found, stripos() will return boolean FALSE.

- */

- function stripos($haystack, $needle)

- {

- if (preg_match('#' . preg_quote($needle, '#') . '#i', $haystack, $m))

- {

- return strpos($haystack, $m[0]);

- }

-

- return false;

- }

-}

-

-if (!function_exists('htmlspecialchars_decode'))

-{

- /**

- * A wrapper for htmlspecialchars_decode

- * @ignore

- */

- function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT)

- {

- return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));

- }

-}

-