Validating forms using php

Through this tutorial, you will learn how to: , provided in Yii by yii\web\Request::post().If the model is successfully populated (i.e., if the user has submitted the HTML form), the action will call validate() to make sure the values entered are valid.This checks if the $_POST variable is empty (with the PHP empty() function).

In this tutorial you will learn how to insert records in a My SQL table using PHP.

Now that you've understood how to create database and tables in My SQL.

The first input field is for the "name" data, and the second for the "email" data.

After the input fields, the yii\helpers\Html::submit Button() method is called to generate a submit button.

This section describes how to create a new page with a form for getting data from users.

The page will display a form with a name input field and an email input field.The English version of this specification is the only normative version. In particular, erratum [E09] relaxes the restrictions on element and attribute names, thereby providing in XML 1.0 the major end user benefit currently achievable only by using XML 1.1.However, for translations of this document, see Technology? As a consequence, many possible documents which were not well-formed according to previous editions of this specification are now well-formed, and previously invalid documents using the newly-allowed name characters in, for example, ID attributes, are now valid.These error variables will hold error messages for the required fields.We have also added an if else statement for each $_POST variable.XML has been designed for ease of implementation and for interoperability with both SGML and HTML.