php封装的mongodb操作类代码

/* -------------------------------------------------------------------------------- DROP COLLECTION -------------------------------------------------------------------------------- Removes the specified collection from the database. Be careful because this can have some very large issues in production! /
public function drop_collection($collection = "") {
if (emptyempty($collection)) {
$this->error("No Mongo collection specified to drop from database",500);
} $this->db->{$collection}->drop();
return TRUE;
}

/* -------------------------------------------------------------------------------- CLEAR -------------------------------------------------------------------------------- Resets the class variables to default settings */
private function clear() {
$this->selects = array();
$this->wheres = array();
$this->limit = NULL;
$this->offset = NULL;
$this->sorts = array();
}

/* -------------------------------------------------------------------------------- WHERE INITIALIZER -------------------------------------------------------------------------------- Prepares parameters for insertion in $wheres array(). */
private function where_init($param) {
if (!isset($this->wheres[$param])) {
$this->wheres[$param] = array();
}
}

public function error($str,$t) {
echo $str;
exit;
}

}

?>

使用范例:

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