What is the use of input method in thinkphp

The purpose of the input method in thinkphp: 1. Determine whether the variable is defined, the syntax is "input('?post.name')"; 2. Get the PARAM parameter, the syntax is "input('param.') "; 3. Get GET parameters, the syntax is "input('get.')".

The operating environment of this article: Windows 10 system, ThinkPHP version 5, Dell G3 computer.

thinkWhat is the use of the input method in php

1. Determine whether the variable is defined

input('?get.id');
input('?post.name');

Variable type methods include:

Get the current request Variable Get $_GET variableGet the $_POST variableGet the $_PUT variableGet the $_DELETE variableGet the $_SESSION variableGet the $_COOKIE variableGet the $_REQUEST variableGet the $_SERVER variableGet the $_ENV variableGet the route (including PATHINFO) variableGet the $_FILE variable

Method	Description
##param
get
post
put
delete
session
cookie
request
server
env
route
file

2. Get the PARAM parameter

input('param.name'); // 获取单个参数
input('param.'); // 获取全部参数
// 下面是等效的
input('name'); 
input('');

3. Get GET parameters

// 获取单个变量
input('get.id');
// 使用过滤方法获取 默认为空字符串
input('get.name');
// 获取全部变量
input('get.');

4.Use filtering method

input('get.name','','htmlspecialchars'); // 获取get变量 并用htmlspecialchars函数过滤
input('username','','strip_tags'); // 获取param变量 并用strip_tags函数过滤
input('post.name','','org\Filter::safeHtml'); // 获取post变量 并用org\Filter类的safeHtml方法过滤

5.Use variables Modifier

input('get.id/d');
input('post.name/s');
input('post.ids/a');

ModifierFunctionForcing to string typeForcing to integer typeForce to Boolean typeForce Convert to array typeForce to floating point type

s
d
b
a
f

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