Article Introduction：PHP常用的表单验证类

2016-06-21 comment 0  1063

Article Introduction：Commonly used validation collections for JavaScript forms

2016-05-16 comment 0  1100

Article Introduction：Commonly used form validation classes. class class_post { //Verify whether it is a letter/number combination of the specified length function fun_text1($num1,$num2,$str) { Return (preg_match(/^[a-zA-Z0-9]{.$num1.,. $num2.}$/,$str))?true:false;

2016-07-20 comment 0  984

Article Introduction：常用表单验证类，有了这个，一般的验证就都齐了。。复制代码 代码如下: ?php /** *页面作用：常用表单验证类 *作者：欣然随风 *建立时间：2006-3-6 *QQ：276624915 */ classclass_post { //验证是否为指定

2016-06-13 comment 0  1036

Article Introduction：PHP form validation: Commonly used data type validation functions When developing web applications, forms are one of the essential components. User-entered data needs to be verified to ensure data integrity and accuracy. PHP provides a series of functions to validate various data types. This article will introduce some commonly used data type validation functions and how to use them to validate form data. Validation String String validation is one of the most commonly used validations. In forms, we often need to verify the username, password, email and other string types entered by the user.

2023-08-08 comment 0  1185

Article Introduction：Commonly used form validation classes, with this, general validations are all available. . Copy the code The code is as follows: ?php /** *Page function: Common form verification class *Author: Xinran Suifeng *Establishment time: 2006-3-6 *QQ: 276624915 */ classclass_post { //Verify whether it is specified

2016-07-21 comment 0  926

Article Introduction：A commonly used regular expression validation class. A commonly used regular expression verification class. A regular expression verification tool class written a long time ago. It contains some common checksums and supports customized regular expression matching. You can choose to complete it.

2016-07-13 comment 0  938

Article Introduction：PHP commonly used verification regular expressions, php regular expressions. PHP commonly used verification regular expressions, PHP regular expressions, numbers, mobile phone numbers, QQ numbers, Url address legality verification 1. Verify whether it is an integer 1 function isNumber( $val ) 2 { 3 if ( ereg ("^[0-

2016-07-13 comment 0  1060

Article Introduction：Tips for implementing form validation and submission with PHP and UniApp Introduction: When developing web pages or mobile applications, form validation and submission are essential functions. Form validation is used to check whether the data entered by the user conforms to specific rules, and submission saves or sends the data entered by the user to the server. This article will introduce the techniques of using PHP and UniApp to implement form validation and submission to help developers quickly implement front-end and back-end interaction functions. 1. PHP implements form validation. The following is a PHP form validation sample code for

2023-07-06 comment 0  1688

Article Introduction：This article mainly introduces some commonly used JavaScript form verification. At the end of the article, it also comes with a practical case, using verification numbers as an example. Interested friends can refer to it.

2016-05-16 comment 0  1317

Article Introduction：This time I will bring you 15 frequently used front-end form verification rules. What are the precautions for using front-end form verification rules? Here are practical cases, let’s take a look.

2018-03-29 comment 0  1485

Article Introduction：List of regular expressions commonly used in form validation. Regular expression to match Chinese characters: [u4e00-u9fa5] Match double-byte characters (including Chinese characters): [^x00-xff] Regular expression to match blank lines: [s| ]* Regular expression to match HTML tags Mode

2016-07-13 comment 0  924

Article Introduction：An explanation of commonly used email verification statements in PHP. I believe that anyone who has studied PHP well should know the following statement for eamil verification, but not many can really understand it: if (eregi("^[_.0-9a-z-]+@ ([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}

2016-07-15 comment 0  913

Article Introduction：How to use PHP functions for form validation and processing? Overview: In web development, forms are a common way for data interaction between users and servers. To ensure data accuracy and security, validation and processing of form data is essential. As a popular server-side programming language, PHP provides a wealth of functions to simplify the process of form validation and processing. This article will introduce how to use PHP functions for form validation and processing, and provide some sample code. Form validation Form validation refers to checking the data entered by the user

2023-07-24 comment 0  1232

Article Introduction：This article mainly introduces the commonly used classic operation classes of the CI framework. It summarizes and analyzes the CI framework URL, routing, pseudo-static, paging, session, verification code and other related operation classes and usage techniques in the form of examples. Friends in need can refer to the following

2018-06-14 comment 0  1385

Article Introduction：A summary of the use of three form validation functions commonly used in PHP development. ISSET();——Suitable for detecting whether this parameter exists. Definition and scope: Used to test whether a variable has a value (including 0, FALSE, or an empty string, but not NUL

2017-03-23 comment 0  2226

Article Introduction：Commonly used regular expressions: ID number verification regular expressions

2016-06-24 comment 0  1907

Article Introduction：Form verification and submission processing using PHP to develop small programs. When developing small programs in PHP, form verification and submission processing are a very important link. Properly validating user input and processing submitted data is key to ensuring program functionality and data security. This article will introduce how to use PHP for form validation and submission processing, with code examples. 1. Form validation Form validation is to ensure that the data entered by the user meets the specifications and performs necessary verification before submission. Common form validation rules include: Required fields

2023-07-05 comment 0  1007

Article Introduction：How to use PHP functions for form data validation and security filtering? With the development and popularity of the Internet, it has become a common operation for users to submit data through Web forms. However, to ensure data integrity and security, it is important to verify and filter user-submitted data. As a programming language widely used in web development, PHP provides a series of functions to implement form data verification and security filtering. Before introducing how to use PHP functions for form data validation and security filtering, first

2023-07-26 comment 0  1049

Article Introduction：How to filter and validate form input using PHP? When developing web applications, user input is a very important part. In order to ensure the security and stability of the application, we need to filter and verify the data submitted by users. This article explains how to use PHP to filter and validate form inputs. Filtering input data In PHP, there are some built-in functions that can be used to filter input data, such as filter_input() and filter_var(). These functions can be filtered based on different validation rules

2023-08-18 comment 0  1310