public function testOnce()
{
$id = uniqid("", true);
$count = 0;
Event::once($id, function () use(&$count) {
$count += 1;
});
Event::emit($id);
Event::emit($id);
Event::emit($id);
Event::emit($id);
$this->assertSame(1, $count);
}
/** Fetches all resulting records from a PDO statement. */
private function pdoFetch($query, $arguments, PDOStatement $stmt, $fetchStyle, $class)
{
Event::emit(Event::QUERY_FETCHING, array($query, $arguments, $this));
$fetchIntoClass = $fetchStyle === PDO::FETCH_CLASS && isset($class);
try {
// For Informix use fetch() in a loop instead of fetchAll(), because
// the latter method has problems with pdo_informix. If a record is
// locked, fetchAll() will only return records upto the locked
// record, without raising an error. Fetch, on the other hand will
// produce an error.
if ($this->getDriver() == 'informix') {
$data = array();
if ($fetchIntoClass) {
$stmt->setFetchMode(PDO::FETCH_CLASS, $class);
}
while ($row = $stmt->fetch($fetchStyle)) {
$data[] = $row;
}
} else {
if ($fetchIntoClass) {
$data = $stmt->fetchAll($fetchStyle, $class);
} else {
$data = $stmt->fetchAll($fetchStyle);
}
}
} catch (\Exception $ex) {
Event::emit(Event::QUERY_ERROR, array($query, $arguments, $this, $ex));
throw $ex;
}
Event::emit(Event::QUERY_FETCHED, array($query, $arguments, $this));
return $data;
}