What are the uses of the input method in thinkphp

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The use of the input method in thinkphp: 1, to determine whether the variable is defined, the syntax is "input ('? post.name')"; 2, to obtain the PARAM parameter, the syntax is "input ('param.')"; 3, to obtain the GET parameter, the syntax is "input (' get.')".

This article operating environment: Windows10 system, ThinkPHP5 version, Dell G3 computer.

What is the use of the input method in thinkphp

1. Determine whether the variable is defined

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

Variable type methods include:

Method description: param get the currently requested variable get get $_ GET variable post get $_ POST variable put get $_ PUT variable delete get $_ DELETE variable session get $_ SESSION variable cookie get $_ COOKIE variable request get $_ REQUEST variable server get $_ SERVER variable env get $_ ENV variable route get route (including PATHINFO) variable file get $_ FILE variable

two。 Get the PARAM parameter

Input ('param.name'); / / get a single parameter input (' param.'); / / get all parameters / / here is the equivalent input ('name'); input ('')

3. Get the GET parameter

/ / get a single variable input ('get.id'); / / use the filtering method to get the default empty string input (' get.name'); / / get all variables input ('get.')

4. Use the filtering method

Input ('get.name','','htmlspecialchars'); / / get get variables and filter input (' username','','strip_tags') with the htmlspecialchars function; / / get param variables and filter input ('post.name','','org\ Filter::safeHtml') with the strip_tags function; / / get post variables and filter using the safeHtml method of the org\ Filter class

5. Use variable modifiers

Input ('get.id/d'); input (' post.name/s'); input ('post.ids/a'); modifier s cast to string type d cast to integer type b cast to Boolean type a cast to array type f cast to floating point type

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