php skills

Because php is always exposed recently, there are often some errors. I have collected common php error codes and hope to help you because I have been exposed to php recently, some errors often occur. I have collected common php error codes and hope

Php injection code to facilitate the injection Test and save the following as Test. asp The code is as follows: $ Mysql_server_name = "localhost ";$ Mysql_username = "root ";$ Mysql_password = "password ";$ Mysql_database = "phpzr ";//?? Why ??$

This article provides a detailed analysis of the collection of PHP array sorting functions and their relationships. For more information, see The sorting of several array functions mentioned below has some commonalities:1. the array is used as a

The following is a detailed analysis of the methods for selecting the file path of php + mcDropdown in the drop-down box. For more information, see Recently, I used php to read the file directory information and obtained the following code on the

This article provides a detailed analysis of the use of system command functions in PHP. For more information, see The code is as follows: Function execute ($ cmd ){$ Res = '';If ($ cmd ){If (function_exists ('system ')){@ Ob_start ();@ System (

Today, I will introduce you to the implementation methods of cross-site request forgery in php and some common methods to prevent forgery, if you have any questions, refer to the introduction of counterfeit cross-site requests. It is difficult to

To solve multiple calls and write a file at the same time, we will use flock to solve some problems, so that only one user can write the file at the same time, while other users are waiting for the queue, below I will introduce the general solution

When the html page is integrated into the ci framework, loading css and js fails. the following problems are analyzed and solved when the html page is integrated into the ci framework, failed to load css and js. after half a day, I found that the ci

This article describes how to check whether PHPSSL is enabled and how to enable SSL on a windows Server. For more information, see 1. check whether SSL is enabled on the server The code is as follows: Phpinfo ();?> Check the openssl

When you debug the program today, you are prompted to enable openssl. In most cases, openssl is not enabled. to enable openssl, you need to simply set php to enable openssl, openssl is not enabled in most cases. to enable it, you need to perform

This article mainly introduces php multi-task program instances. if you need a php multi-task program, you can refer to the following example to briefly parse the php multi-task program implementation method. the specific code is as follows: _

Php unlimited classification, super simple unlimited classification, support output tree chart, code from the network, but I have used it for a long time to share it with you without platform restrictions You only need to inform the id, parentid,

This article mainly introduces the difference between error and exception in php and its application. For more information about the difference between error and exception, see java, it seems that the exception handling process in php is similar to

This article mainly introduces C # static and non-static methods, focuses on the practical application of static methods, and helps to further deepen the understanding of C # program design, you can refer to the examples in this article to analyze

This article mainly introduces the solutions for php to output xml headers, and describes the case of php output xml headers in the form of examples. this is a common mistake that many php beginners may make, for more information, see the example in

This article mainly introduces the principles and defense techniques of php cross-site attacks. it is a very practical technique to analyze php cross-site attacks in detail with specific examples, for more information about the principles and

This article mainly introduces the differences between mysqli_query parameter MYSQLI_STORE_RESULT and MYSQLI_USE_RESULT in PHP. This article provides five differences between these two parameters. if you need them, refer to the following: Although

This article mainly introduces the methods for restoring php base64-based decoded images and encrypted images, and describes the usage of the base64_decode function as an example, for more information about how to restore encrypted and

This article mainly introduces common php mathematical functions and summarizes examples of definitions and usage of common mathematical functions in the form of examples, which has good learning and reference value, you can refer to the examples in

This article mainly introduces SimpleXML function usage in PHP, analyzes in detail the skills for using SimpleXML function to operate XML files in the form of examples, and attaches the relevant SimpleXML function, for more information about