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vendor/swoole/examples/mysql/pdo_prepare.php

@@ -0,0 +1,6 @@
+<?php
+$db = new PDO("mysql:host=127.0.0.1;dbname=test;charset=utf8", "root" ,"root");
+$query = $db->prepare("select * from userinfo where id=?");
+$rs = $query->execute(array(1));
+var_dump($rs);
+echo count($query->fetchAll());