The validation that is involved in this example is:
User name: Length, character verification, repetitive Ajax validation (whether it already exists).
Password: Length verification, repeat input password verification.
Mail: Email address
PHP programming daily must-learn form validation, PHP programming form
This article explains the implementation of PHP form verification, share to everyone for reference, the specific content as follows
1.PHP form ProcessingWelcome.html
JavaScript can be used to validate these input data in an HTML form before the data is sent to the server.
The typical form data that is validated by JavaScript is:
• Has the user filled out the required items in the form?• Is the email address
Jquery. Validation is an excellent jquery plugin that validates client forms and provides a number of customizable properties and methods for good extensibility. Now combined with the actual situation, I have often used in the project validation
PHP VERSION = 5.3.10First, about $_requestPHP documentation Instructions for $_request:describes an array that contains $_get,$_post and $_cookie by default. Update log version description 5.3. 0 introduce Request_order. This directive
is a good plug-in, it can verify the client form, and provides a number of customizable properties and methods, good scalability. This article is to understand the application of validation by explaining this example.
The validation that is
Document directory
Get this to work
Customizations
Custom functions call (validate from any function you created)
I want to validate directly from Javascript
Inline Ajax Validation
Ajax submitting
Debug mode
Official Demo:
When it comes
1. Form ValidationFor all data entered by the user, you cannot trust it and must be verified.All frameworks are so, for yii you can use functionsyii\base\model::validate () for verificationHe will return a Boolean value of True/falseIf validation
When generating a form from a form widget at the view level, field can only exist in the database, for example: use yii\helpers\html; Use Yii\widgets\activeform; Use Yii\captcha\captcha;
' Sign-form ', ' Options ' =>[' action ' = '
PHP Common Forms Validation Class usage instance, PHP form validation instance
The example in this paper describes the use of PHP common forms validation class. Share to everyone for your reference. Specific as follows:
\ "]) *$/", $str))?
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.