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// BUILD VALUES $count = count($matches); for($i = 0; $i < $count; ++$i) { $values[] = '(?)'; } // INSERT INTO DATABASE $q = $this->dbc->prepare("INSERT INTO hashes (hash) VALUES " . implode(', ', $values) . " ON DUPLICATE KEY UPDATE hash = hash"); $q->execute($matches); The code above fails with the following error SQLSTATE[HY093]: Invalid parameter number: parameter was not defined Although when count($matches) == count($values) just before execute is called? What is going on here?
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