gistfile1.txt

RROR
Warning: PDOStatement::bindParam(): SQLSTATE[HY093]: 
Invalid parameter number: :cod_strum in /var/www/scelta_ins_conf.php on line 22 
Warning: PDOStatement::bindParam(): SQLSTATE[HY093]: 
Invalid parameter number: :data_inc in /var/www/scelta_ins_conf.php on line 24 
Warning: PDOStatement::bindParam(): SQLSTATE[HY093]: 
Invalid parameter number: :rilavato in /var/www/scelta_ins_conf.php on line 28 Warning: PDOStatement::bindParam(): SQLSTATE[HY093]: 
Invalid parameter number: :inconveniente in /var/www/scelta_ins_conf.php on line 32 
Warning: PDOStatement::bindParam(): SQLSTATE[HY093]: 
Invalid parameter number: :a_inc in /var/www/scelta_ins_conf.php on line 36 

valid.php

<?php
if(isset($_POST['p_inconvenienti'])){
		$data_inc=$_POST['data_inc'];
		$i_ril=$_POST['i_ril'];
		$inconveniente=$_POST['inconveniente'];
                if (isset($_POST['a_inc']))  
                    $a_inc=$_POST['a_inc'];
                else
                    $a_inc = "0";
		$sql_inc="INSERT INTO st_inconveniente(cod_strum, data_inc, rilavato, inconveniente, a_inc) VALUES (?, ?, ?, ?, ?)";
		$inc = $dbh->prepare($sql_inc); //imposto la query
                $validator = new Zend_Validate_StringLength('min' >= 1);
                $inc->bindParam(0, $_COOKIE["dbstrum_codstrum"], PDO::PARAM_INT);
                if($validator->isValid($_POST['data_inc']))
                       $inc->bindParam(1, $data_inc, PDO::PARAM_STR);
                else
                       $inc->bindParam(1, $data_inc, PDO::NULL);
                if($validator->isValid($_POST['i_ril']))
                       $inc->bindParam(2, $i_ril, PDO::PARAM_STR);
                else
                       $inc->bindParam(2, $i_ril, PDO::NULL);
                if($validator->isValid($_POST['inconveniente']))
                       $inc->bindParam(3, $inconveniente, PDO::PARAM_STR);
                else{
                       $inc->bindParam(3, $inconveniente, PDO::NULL);
                }
                $inc->bindParam('a_inc', $a_inc, PDO::PARAM_INT);
		$inc ->execute();
}