Je reçois l'erreur de SQLSTATE [HY093]: Numéro de paramètre non valide: le nombre de variables liées ne correspond pas au nombre de jetons sur la ligne 102 dans comments.php ci-dessous:
<?php
/**
* Class to handle articles
*/
class Comment
{
// Properties
/**
* @var int The article ID from the database
*/
public $id = null;
/**
* @var int When the article is to be / was first published
*/
public $publicationDate = null;
/**
* @var string Full title of the article
*/
public $title = null;
/**
* @var string The HTML content of the article
*/
public $content = null;
/**
* @var int The article ID from the database
*/
public $articleid = null;
/**
* Sets the object's properties using the values in the supplied array
*
* @param assoc The property values
*/
public function __construct( $data=array() ) {
if ( isset( $data['id'] ) ) $this->id = (int) $data['id'];
if ( isset( $data['publicationDate'] ) ) $this->publicationDate = (int) $data['publicationDate'];
if ( isset( $data['title'] ) ) $this->title = preg_replace ( "/[^\.\,\-\_\'\"\@\?\!\:\$ a-zA-Z0-9()]/", "", $data['title'] );
if ( isset( $data['content'] ) ) $this->content = $data['content'];
if ( isset( $data['articleid'] ) ) $this->articleid = (int) $data['articleid'];
}
/**
* Sets the object's properties using the edit form post values in the supplied array
*
* @param assoc The form post values
*/
public function storeFormValues( $params ) {
// Store all the parameters
$this->__construct( $params );
// Parse and store the publication date
if ( isset($params['publicationDate']) ) {
$publicationDate = explode ( '-', $params['publicationDate'] );
if ( count($publicationDate) == 3 ) {
list ( $y, $m, $d ) = $publicationDate;
$this->publicationDate = mktime ( 0, 0, 0, $m, $d, $y );
}
}
}
public static function getById( $id ) {
$conn = new PDO( DB_DSN, DB_USERNAME, DB_PASSWORD );
$sql = "SELECT *, UNIX_TIMESTAMP(publicationDate) AS publicationDate FROM comments WHERE id = :id";
$st = $conn->prepare( $sql );
$st->bindValue( ":id", $id, PDO::PARAM_INT );
$st->execute();
$row = $st->fetch();
$conn = null;
if ( $row ) return new Comment( $row );
}
/**
* Returns all (or a range of) Article objects in the DB
*
* @param int Optional The number of rows to return (default=all)
* @param string Optional column by which to order the articles (default="publicationDate DESC")
* @return Array|false A two-element array : results => array, a list of Article objects; totalRows => Total number of articles
*/
public static function getList( $art=1, $order="publicationDate DESC", $numRows=10000 ) {
$conn = new PDO( DB_DSN, DB_USERNAME, DB_PASSWORD );
$sql = "SELECT SQL_CALC_FOUND_ROWS *, UNIX_TIMESTAMP(publicationDate) AS publicationDate FROM comments WHERE articleid = :art
ORDER BY " . mysql_escape_string($order) . " LIMIT :numRows";
$st = $conn->prepare( $sql );
$st->bindValue( ":art", $art, PDO::PARAM_INT );
$st->execute();
$list = array();
while ( $row = $st->fetch() ) {
$comments = new Comment( $row );
$list[] = $comment;
}
}
/**
* Inserts the current Article object into the database, and sets its ID property.
*/
public function insert() {
// Insert the Article
$conn = new PDO( DB_DSN, DB_USERNAME, DB_PASSWORD );
$sql = "INSERT INTO comments ( publicationDate, title, content, articledid ) VALUES ( FROM_UNIXTIME(:publicationDate), :title, :content, :articleid )";
$st = $conn->prepare ( $sql );
$st->bindValue( ":publicationDate", $this->publicationDate, PDO::PARAM_INT );
$st->bindValue( ":title", $this->title, PDO::PARAM_STR );
$st->bindValue( ":content", $this->content, PDO::PARAM_STR );
$st->bindValue( ":articleid", $this->articleid, PDO::PARAM_STR );
$st->execute();
$this->id = $conn->lastInsertId();
$conn = null;
}
/**
* Updates the current Article object in the database.
*/
public function update() {
// Update the Article
$conn = new PDO( DB_DSN, DB_USERNAME, DB_PASSWORD );
$sql = "UPDATE comments SET publicationDate=FROM_UNIXTIME(:publicationDate), title=:title, summary=:summary, content=:content, articleid=:articleid,imageExtension=:imageExtension WHERE id = :id";
$st = $conn->prepare ( $sql );
$st->bindValue( ":publicationDate", $this->publicationDate, PDO::PARAM_INT );
$st->bindValue( ":title", $this->title, PDO::PARAM_STR );
$st->bindValue( ":content", $this->content, PDO::PARAM_STR );
$st->bindValue( ":articleid", $this->articleid, PDO::PARAM_STR );
$st->bindValue( ":id", $this->id, PDO::PARAM_INT );
$st->execute();
$conn = null;
}
/**
* Deletes the current Article object from the database.
*/
public function delete() {
// Delete the Article
$conn = new PDO( DB_DSN, DB_USERNAME, DB_PASSWORD );
$st = $conn->prepare ( "DELETE FROM comments WHERE id = :id LIMIT 1" );
$st->bindValue( ":id", $this->id, PDO::PARAM_INT );
$st->execute();
$conn = null;
}
}
?>
Vous n'avez pas lié toutes vos liaisons ici
$sql = "SELECT SQL_CALC_FOUND_ROWS *, UNIX_TIMESTAMP(publicationDate) AS publicationDate FROM comments WHERE articleid = :art
ORDER BY " . mysqli_escape_string($order) . " LIMIT :numRows";
$st = $conn->prepare( $sql );
$st->bindValue( ":art", $art, PDO::PARAM_INT );
Vous avez déclaré une liaison appelée: numRows mais vous ne lui liez jamais rien.