php - Using password_hash with bindParam -


i'm trying create login system using slim jquery , ajax. i've got log in part working minimal issues, need able hash password. know can use md5, sha1 and/or salt hash know recommenced password_hash used instead. know how hash of other 3 mentioned because while using bindparam can place around variable. question is, how use password_hash bindparam. closest answer found on site didn't help.

my current code is:

$app->post('/adduser/', 'adduser'); function adduser() {     $request = \slim\slim::getinstance()->request();     $q = json_decode($request->getbody());      $sql = "insert users(firstname, lastname, username, password) values (:firstname, :lastname, :username, :password)";      try{         $dbconnection();         $stmt=$db->prepare($sql);         $stmt->bindparam("firstname", $q->firstname);         $stmt->bindparam("lastname", $q->lastname);         $stmt->bindparam("username", $q->username);         $stmt->bindparam("password", $q->password);         $stmt->execute();         $db=null;     }     catch(pdoexception $e){         echo $e->getmessage();     } }

verify code:

$app->post('/login/', 'lonin'); function login() {     $request = \slim\slim::getinstance()->request();     $q = json_decode($request->getbody());      $sql = "select * users username=:username";     try{         $db = getconnection();         $stmt=$db->prepare($sql);         $stmt->bindparam("username", $q->username);         $execute = $stmt->execute();         $db = null;     }     catch(pdoexception $e)     {         echo $e->getmessage();     }     if($execute == true)     {         $array = $stmt->fetch(pdo::fetch_assoc);         $hashedpassword = $array['password'];         if(password_verify($q->password), $hashedpassword))         {             echo 'valid';         }         else         {             echo 'invalid';         }     } }

any appreciated.

to encrypt password need create new variable $hashedpassword store in db each user. when verifying user select user db passing username , using password_verify($passtobeverified,$ourhashedpasswordfromdb) return boolean.

      $app->post('/adduser/', 'adduser');  function adduser() {     $request = \slim\slim::getinstance()->request();     $q = json_decode($request->getbody());     $hashedpassword = password_hash($q->password, password_bcrypt);      $sql = "insert users(firstname, lastname, username, password) values (:firstname, :lastname, :username, :password)";      try {         $dbconnection();         $stmt = $db->prepare($sql);         $stmt->bindparam(":firstname", $q->firstname);         $stmt->bindparam(":lastname", $q->lastname);         $stmt->bindparam(":username", $q->username);         $stmt->bindparam(":password", $hashedpassword);         $execute = $stmt->execute();         if ($execute == true) {             $verifyuser = verifyuser($q->password, $q->username);             if ($verifyuser == true) {                 echo 'valid username ,  password';             } else {                 echo 'invalid username , password';             }         }         $db = null;     } catch (pdoexception $e) {         echo $e->getmessage();     } }  function verifyuser($passwordtoverify, $usernametoverify) {     // $request = \slim\slim::getinstance()->request();     //   $q = json_decode($request->getbody());     //select user data according username     $sql = "select firstname, lastname, username, password users username = :username";     try {         $dbconnection();         $stmt = $db->prepare($sql);         $stmt->bindparam(":username", $usernametoverify);         $execute = $stmt->execute();         $db = null;     } catch (pdoexception $e) {         echo $e->getmessage();     }     if ($execute == true) {         /*          * if query executes , returs user saved user details lets compare          * password db , password user has entered          */         $array = $stmt->fetch(pdo::fetch_assoc);         $hashedpassword = $array['password'];         if (password_verify($passwordtoverify, $hashedpassword)) {             echo 'password valid!';             return true;         } else {             echo 'invalid password.';             return false;         }     } }

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