1332 /**

  1332 /**

  1333  * Converts a hexadecimal number to a binary string.

  1333  * Converts a hexadecimal number to a binary string.

  1334  * @param text string hexadecimal number

  1334  * @param text string hexadecimal number

  1335  * @return string

  1335  * @return string

  1336  */

  1336  */

  1337 function hex2bin($text)

  1338 function hex2bin($text)

  1338 {

  1339 {

  1339   $arr = enano_str_split($text, 2);

  1340   $arr = enano_str_split($text, 2);

  1340   $ret = '';

  1341   $ret = '';

  1341   for ($i=0; $i<sizeof($arr); $i++)

  1342   for ($i=0; $i<sizeof($arr); $i++)

  1342   {

  1343   {

  1343     $ret .= chr(hexdec($arr[$i]));

  1344     $ret .= chr(hexdec($arr[$i]));

  1344   }

  1345   }

  1345   return $ret;

  1346   return $ret;

  1346 }

  1347 }

  1347 

  1349 

  1348 /**

  1350 /**

  1349  * Generates and/or prints a human-readable backtrace

  1351  * Generates and/or prints a human-readable backtrace

  1350  * @param bool $return - if true, this function returns a string, otherwise returns null and prints the backtrace

  1352  * @param bool $return - if true, this function returns a string, otherwise returns null and prints the backtrace

  1351  * @return mixed

  1353  * @return mixed