how to validate number in php

Details about the jQuery Form Verification plug-in validate and jqueryvalidate The validate plug-in is a jquery-based form verification plug-in. There are many common verification methods that we can call directly. Let's take a look at them. Example:

Jquery. validate has been in use for several years without writing JavaScript, and the data is organized slowly. The format is also a bit messy, mainly divided into several parts of jquery. the basic usage of validate is jquery. validateAPI

Mainly divided into several parts Jquery. Validate basic usage Jquery. Validate API description Jquery. Validate custom Validation of common jquery. Validate types Code Document address of jquery. Validate

Mainly divided into several parts Jquery. validate basic usageJquery. validate API descriptionJquery. validate customJquery. validate common Verification Code Document address of jquery. validate

Deep Learning about jQuery Validate form verification, jqueryvalidate This article introduces jQuery Validate form verification, mainly by using jquery. metadata. js directly writes verification rules in the class attribute and defines the error

The jQuery Validate Form Verification plug-in adds the class attribute Form validation, jqueryvalidate This article introduces the jQuery Validate Form Verification plug-in, and adds the class attribute Form Verification for your reference. The

Jquery. Validate. js Form validation this article is transferred from: http://hi.baidu.com/greenandcoffee/blog/item/5ebe5850e2cfbb551138c24d.html I. PrerequisitesHttp://bassistance.de/jquery-plugins/jquery-plugin-validation/API:

I have reprinted an article written by my predecessors and modified it for record only.First paste the code of a major Chinese company:Copy codeThe Code is as follows: I started from this example. In fact, this example almost contains the essence of

I. PreparationsJQuery version: 1.2.6 +, compatible with 1.3.2 Official website address: http://jqueryvalidation.org/ Ii. Default verification rules(1) required: required field for true(2) remote: "check. php" uses ajax to call check. php to verify

Default verification rules(1) required: required field for true (2) Remote: "check. php" uses ajax to call check. php to verify the input value. (3) Email: true: You must enter an email in the correct format. (4) URL: True must enter the URL in the