phpstudy所有软件,已经通过360安全检测认证,phpstudy linux web面板(docker),已发布安全检测与修复

filter_input

filter_input

(PHP 5 >= 5.2.0)

filter_inputGets a specific external variable by name and optionally filters it

说明

mixed filter_input ( int $type , string $variable_name [, int $filter = FILTER_DEFAULT [, mixed $options ]] )

参数

type

One of INPUT_GET, INPUT_POST, INPUT_COOKIE, INPUT_SERVER, or INPUT_ENV.

variable_name

Name of a variable to get.

filter

The ID of the filter to apply. The Types of filters manual page lists the available filters.

options

Associative array of options or bitwise disjunction of flags. If filter accepts options, flags can be provided in "flags" field of array.

返回值

Value of the requested variable on success, FALSE if the filter fails, or NULL if the variable_name variable is not set. If the flag FILTER_NULL_ON_FAILURE is used, it returns FALSE if the variable is not set and NULL if the filter fails.

范例

Example #1 A filter_input() example

<?php
$search_html 
filter_input(INPUT_GET'search'FILTER_SANITIZE_SPECIAL_CHARS);
$search_url filter_input(INPUT_GET'search'FILTER_SANITIZE_ENCODED);
echo 
"You have searched for $search_html. ";
echo 
"<a href='?search=$search_url'>Search again.</a>";
?>

以上例程的输出类似于:

You have searched for Me &#38; son.
<a href='?search=Me%20%26%20son'>Search again.</a>

参见


  • filter_has_var
  • filter_id
  • filter_input
  • filter_input_array
  • filter_list
  • filter_var
  • filter_var_array
  • PHP MySQL HTML CSS JavaScript MSSQL AJAX .NET JSP Linux Mac ASP 服务器 SQL jQuery C# C++ java Android IOS oracle MongoDB SQLite wamp 交通频道

    无数据提示还没有评论,楼主喊你快去抢前排~~~我要评论
    微信扫码登陆

    打开 微信
    扫一扫登录