Course Intermediate  11328

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17632

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11339

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：PHP ID verification related classes, PHP automatically obtains the corresponding constellation function based on the ID number, automatically returns the corresponding constellation based on the ID number, automatically returns the corresponding zodiac sign based on the ID number, and automatically returns the gender based on the ID number , check whether it is an ID number, and extract the corresponding characters from the verification code string according to the serial number.

2017-08-18 comment 0  2271

Course Introduction：An example of PHP ID card regular verification (compatible with 15 and 18-digit ID cards) code

2016-07-25 comment 0  2049

Course Introduction：This article mainly introduces the PHP tool class that can accurately verify the ID number, involving PHP's interception, calculation, judgment and other related operation skills for strings, and also explains the principle of the ID number. Friends who need it can refer to it.

2018-05-31 comment 0  1468

Course Introduction：The ID number is an important symbol for the identification of residents in our country, and it can be used for identity verification on many occasions. In the application, in order to ensure the validity and accuracy of the ID number, it needs to be verified by regular expressions. This article will introduce how to use PHP regular expressions to verify the validity and gender of the ID number. 1. The composition and rules of the ID card number The ID card number consists of 18 digits or 17 digits plus a 1-digit check code. Among them, the first 17 digits represent the ID card holder’s information, and the last 1 digit represents the verification code, which is used to verify the ID card.

2023-06-24 comment 0  1418

Course Introduction：In common ID numbers, the 17th digit of the number is called the "gender code" and is used to indicate the gender of the ID holder. When verifying the validity of an ID number, we usually need to use regular expressions to make judgments and confirm the gender of the holder based on the value of the gender code. This article will introduce how to use PHP regular expressions to verify the gender of an ID number. 1. Format of ID number An ID number is a unique identifier composed of 18 digits and letters, which contains a person’s basic information and place of origin information. specific format

2023-06-24 comment 0  1944