PDOStatement::execute(): SQLSTATE[HY093]: Invalid parameter number [closed]

问题

I´m trying to do an update with PDO and I´m getting an error that Im not detecting where the problem is.

The error is this: PDOStatement::execute(): SQLSTATE[HY093]: Invalid parameter number: parameter was not defined in $updateCategory->execute();

Someone there have any idea why this is happening?

$urledit = $_GET['edit'];
$f['name'] = $_POST['name'];
$f['content'] = $_POST['content'];
$f['tags'] = $_POST['tags'];
$f['date'] = $_POST['date'];


$updateCategory = $pdo->prepare("UPDATE categories SET name=:name, url=:url, content=:content, tags=:tags, date=:date WHERE id=:urledit");  
$updateCategory->bindValue(':name', $f['name']);
$updateCategory->bindValue(':url', $f['url']);
$updateCategory->bindValue(':content', $f['content']);
$updateCategory->bindValue(':tags', $f['tags']);
$updateCategory->bindValue(':date', $f['date']);
$updateCategory->bindValue(':id', $urledit);
$updateCategory->execute();
echo 'Update Sucessed!';

回答1:

Change :urledit to :id in your query. All the bind values must match in the query.

回答2:

Victory's answer is correct but please don't bind every parameter like that, PDO is awesome and the execute functions allows you to pass an array which ill bind them for you :) also if your only using the variable once there's no point to declaring it as a variable an example of this would be,

PHP

$parameters = array(
    ':name' => $_POST['name'],
    ':url' => $_POST['url'], 
    ':content' => $_POST['content'], 
    ':tags' => $_POST['tags'], 
    ':date' => $_POST['date'], 
    ':urledit' => $_GET['edit'])
);

$updateCategory = $pdo->prepare("UPDATE categories 
                                 SET name = :name, url = :url, content = :content, tags = :tags, date = :date 
                                 WHERE id = :urledit");

if($updateCategory->execute($parameters)) {
    echo 'Update Sucessed!';
}

回答3:

This line needs to change:

$updateCategory->bindValue(':id', $urledit);

to this:

$updateCategory->bindValue(':urledit', $urledit);

Because in this line:

$updateCategory = $pdo->prepare("UPDATE categories SET name=:name, url=:url, content=:content, tags=:tags, date=:date WHERE id=:urledit");

you reference the placeholder :urledit rather than :id.

来源：https://stackoverflow.com/questions/22822828/pdostatementexecute-sqlstatehy093-invalid-parameter-number

标签

php

mysql

pdo