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PHP form post and database insert


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Ok .I tried to look for the problem for about 1 hour but I can't see what's wrong whit the following code:

In firebug the post values appear correctly like so:id=116&usern=asdawe&com=qweqw&page=116&submit=submit

and the inserc() function works correctly because i tried it whit a array of data created by my;

$comment = new comment;

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
<input type="hidden" name="id" value="<?php echo $result['article']->id ?>"/>

  <input type="text" name="usern" id="usern" />

<textarea name="com" id="com" COLS=40 ROWS=6></textarea>

<input type="hidden" name="page" value="<?php echo $result['article']->id ?>" />
<input type="submit" name="submit" value="submit" />





class comment{

public $id = null;
public $usern = null;
public $com = null;
public $page = null;

public function __construct($data=array() )
	if( isset($data['id']) ) $this->id= (int)$data['id'];
	if( isset($data['usern']) ) $this->usern= preg_replace ( "/[^\.\,\-\_\'\"\@\?\!\:\$ a-zA-Z0-9()]/", "", $data['usern'] );
	if( isset($data['com']) ) $this->com= preg_replace ( "/[^\.\,\-\_\'\"\@\?\!\:\$ a-zA-Z0-9()]/", "", $data['com'] );
	if( isset($data['page']) ) $this->page= (int)$data['page'];


public function storeform ( $params ) {

    // Store all the parameters
    $this->__construct( $params );

public function insertc()
	$con = new PDO(DBN,DB_USER,DB_PASS);
    $sql = "INSERT INTO comments (usern,com,page) VALUES (:usern,:com,:page)";
	$st =$con->prepare($sql);	
	$st->bindValue( ":usern", $this->usern, PDO::PARAM_STR );
        $st->bindValue( ":com", $this->com, PDO::PARAM_STR );
	$st->bindValue( ":page", $this->page, PDO::PARAM_INT );
	$this->id = $con->lastInsertId();
        $con = null;


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the reason no one has responded yet is probably because you never said what is going wrong.


so rather than us just looking to see why something is going wrong, we have to guess and look for what might be going on wrong and what might work to finish it.

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