How To Resolve “Notice: Array To String Conversion In”

[copperspeed]

I can't figure out why I am receiving the following error Notice: Array to String conversion in 'path' line 462. Below is the code for line 462.

 

public function fetchOneBrg(array $conditions){

 

$db = Core::getInstance();

$sql = "SELECT * FROM ".USERS_BRG." WHERE ";

$params = array();

$i=0;

foreach ($conditions as $column => $value) {

if (preg_match('/^[a-z-.-_]+$/', $column)) {

if($i !=0){

$sql .= " AND ";

}

$sql .= "$column = ?";

$params[] = $value;

$i++;

}

}

$res = $db->dbh->prepare($sql);

Line 462: $res->execute(array_values($params));

return $res->fetch(PDO::FETCH_ASSOC);

 

 

$ststres = $db->dbh->prepare("SELECT * FROM ".USERS_STATS." WHERE user_id = :uID ORDER BY id DESC LIMIT :zero, :forty");

$ststres->bindParam(':uID',$udata['id'],PDO::PARAM_INT);

$ststres->bindValue(':zero',0,PDO::PARAM_INT);

$ststres->bindValue(':forty',40,PDO::PARAM_INT);

$ststres->execute();

$ststres=$ststres->fetchAll(PDO::FETCH_ASSOC);

 

I suspect it is the code above being passed in as a string to during the call array(['id'=>$ststres[ststval].to_id] below in Smarty. Doing a var_dump returns strings in array. How to resolve this and why is the string conversion happening on the ID's?

 

Example of var_dump:

string(4) "1066"

string(4) "1066"

string(4) "1066"

This is the call to the function:

{assign var='brgdatas' value=$brgObj->fetchOneBrg(array(['id'=>$ststres[ststval].to_id]))}

 

Thank you for your help.

Edited December 18, 2012 by copperspeed

[Jessica]

Please use our code tags, your post is very hard to read, especially with the background color.

 

Most likely, the execute function expects a string with your SQL query, then the parameters to bind. 

[copperspeed]

@Jessica but how do I resolve it?

[Jessica]

Well it depends what your database class expects. You haven't said what class you're using, or any info on it. Look at what execute() expects to receive as arguments. 

[copperspeed]

$ststres = $db->dbh->prepare("SELECT * FROM ".USERS_STATS." WHERE user_id = :uID ORDER BY id DESC LIMIT :zero, :forty");
$ststres->bindParam(':uID',$udata['id'],PDO::PARAM_INT);
$ststres->bindValue(':zero',0,PDO::PARAM_INT);
$ststres->bindValue(':forty',40,PDO::PARAM_INT);
$ststres->execute(); 
$ststres=$ststres->fetchAll(PDO::FETCH_ASSOC);

 

Var_dump of expect outcome from $ststres and what execute expects to receive:

 

Example of var_dump($ststres[ststval].to_id):

string(4) "1066"

string(4) "1066"

string(4) "1066"

 

{assign var='brgdatas' value=$brgObj->fetchOneBrg(array(['id'=>$ststres[ststval].to_id]))}

 

public function fetchOneBrg(array $conditions){

   $db = Core::getInstance();
               $sql = "SELECT * FROM ".USERS_BRG." WHERE ";
               $params = array();
               $i=0;
          foreach ($conditions as $column => $value) {
            if (preg_match('/^[a-z-.-_]+$/', $column)) {
               if($i !=0){
                       $sql .= " AND ";
                   }
           $sql .= "$column = ?";
           $params[] = $value;
           $i++;
       }
   }   
   $res = $db->dbh->prepare($sql);                
   $res->execute(array_values($params));
 return $res->fetch(PDO::FETCH_ASSOC);

 

I hope this makes more sense.

[Jessica]

That has nothing to do with what I said. Clearly execute() wants a string. Did you write the function execute() or are you using a third party library?

[copperspeed]

Jessica are you familiar with PDO because execute() is a function of it? PDO protects your code from sql injection.

[Jessica]

I sure am. ARE YOU? Because you're the one trying to use it.

As I said twice before your code doesn't indicate at all WHAT LIBRARY OR CLASS your $db object is. If you're trying to say it's just the basic PDO in PHP, then look at the manual!

 

This is your code that you say has the problem. 

$res = $db->dbh->prepare($sql);
$res->execute(array_values($params));

 

(array_values is superfluous).

 

But later you posted this code:

$ststres = $db->dbh->prepare("SELECT * FROM ".USERS_STATS." WHERE user_id = :uID ORDER BY id DESC LIMIT :zero, :forty");
$ststres->bindParam(':uID',$udata['id'],PDO::PARAM_INT);
$ststres->bindValue(':zero',0,PDO::PARAM_INT);
$ststres->bindValue(':forty',40,PDO::PARAM_INT);
$ststres->execute(); 

 

Which part is giving you the error?

 

{assign var='brgdatas' value=$brgObj->fetchOneBrg(array(['id'=>$ststres[ststval].to_id]))}

 

Does it work when you use the function in PHP instead of in your Smarty tpl? You have a lot going on in that line of Smarty code, and the problem could be in there. 

[PFMaBiSmAd]

The issue are the [] you have around the array entry in -

value=$brgObj->fetchOneBrg(array(['id'=>$ststres[ststval].to_id]))}

That's making an array of array(s) and when you do the array_values, you are getting not an array of the values, but an array of the original nested array, which when accessed produces that notice (because of the 'Array' keyword that is returned), but actually supplies an array to the ->execute() method with a key/value that works (tested.)

 

Remove the []

[copperspeed]

@PFMaBiSmAd I have tried this before.

 

If I remove the [] I receive the following error:

{assign var='brgdatas' value=$brgObj->fetchOneBrg(array('id'=>$ststres[ststval].to_id))}" - Unexpected "=>", expected one of: "","" , ")"'

 

According to Smarty.net if I use associative arrays within Smarty it requires [].

 

If you have a workaround I would love to read it.

[Jessica]

Nevermind, re-read the function.

Edited December 18, 2012 by Jessica

[copperspeed]

@jessica Listen, I don't want to argue with you but you are asking some basic questions when it clearly states what $db is in the function.

 

$db = Core::getInstanse(); Is clearly a call to the database for login and setup for querying.

 

If you don't know what the code below is and how it is used you don't know PDO because you wouldn't have asked what execute() means.

 

$ststres = $db->dbh->prepare("SELECT * FROM ".USERS_STATS." WHERE user_id = :uID ORDER BY id DESC LIMIT :zero, :forty");
$ststres->bindParam(':uID',$udata['id'],PDO::PARAM_INT);
$ststres->bindValue(':zero',0,PDO::PARAM_INT);
$ststres->bindValue(':forty',40,PDO::PARAM_INT);
$ststres->execute();

 

It is clear that I am passing the results from $ststres into the Smarty call which I showed you what the var_dump results were to be passed.

[Jessica]

Good luck dude. 

[copperspeed]

Solved: The end result was to remove array() from Smarty call like so:

{assign var='brgdatas' value=$brgObj->fetchOneBrg(['id'=>$ststres[ststval].to_id])}

[/color]

Edited December 18, 2012 by copperspeed