php - Decryption: Using a loop to go through a function using mysql -


i'm trying make code displays user's passwords transfer new website. have right now.

function decryptpassword($users) {     global $sql_tbl;     $userdata=func_query_first("select * $sql_tbl[customers] login='".$users."'");     if ($userdata["password"]!="") $password = text_decrypt($userdata["password"]);     else return false;     return $password;     }  echo "master = ".decryptpassword('master')."<br>";  $a = decryptpassword('tester'); if ($a===false) {    echo "user not found...";exit();} echo "tester = ".decryptpassword('tester')."<br>"; ?>

and works, wanted use each query , have been having trouble trying a loop. should doing differently? 

function decryptpassword($users) {     global $sql_tbl;     $userdata=func_query_first("select * $sql_tbl[customers] login='".$users."'");     if ($userdata["password"]!="") $password = text_decrypt($userdata["password"]);     else return false;     return $password;     }  $email=msql_query("select email $sql_tbl[address_book]  join xcart_customers on xcart_prod.xcart_address_book.userid=xcart_prod.xcart_customers.id  (default_s = 'y' , default_b='y'and membershipid=2) or (default_s='n' , default_b='y' , membershipid=2)");  while ($row = mysql_fetch_assoc($email)) {     foreach($row $field) {         echo " = ".decryptpassword($field)."<br>";         $a = decryptpassword($field);         if ($a===false) {    echo "user not found...";exit();}         echo "it@claramente.com = ".decryptpassword($field)."<br>";     }  }

thanks help.


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