清理所有用户'；PHP在PostgreSQL中的输入

这个问题的基础是

使用pg_prepare时是否需要明确消毒？

我觉得pg_prepare会自动清理用户的输入，这样我们就不需要这样做了

 $question_id = filter_input(INPUT_GET, 'questions', FILTER_SANITIZE_NUMBER_INT);

我使用Postgres的上下文

 $result = pg_prepare($dbconn, "query9", "SELECT title, answer
     FROM answers 
     WHERE questions_question_id = $1;");                                  
 $result = pg_execute($dbconn, "query9", array($_GET['question_id']));

根据

pg_prepare

上的帖子，所有转义都为您完成。请参见示例部分，其中列出了以下代码（包括注释）：

filter\u input（）函数与postgres有什么关系……或者我遗漏了什么？
<?php
// Connect to a database named "mary"
$dbconn = pg_connect("dbname=mary");

// Prepare a query for execution
$result = pg_prepare($dbconn, "my_query", 'SELECT * FROM shops WHERE name = $1');

// Execute the prepared query.  Note that it is not necessary to escape
// the string "Joe's Widgets" in any way
$result = pg_execute($dbconn, "my_query", array("Joe's Widgets"));

// Execute the same prepared query, this time with a different parameter
$result = pg_execute($dbconn, "my_query", array("Clothes Clothes Clothes"));
?>