PHP

Use PHP to filter the code that may be used in html to introduce external dangerous content. Sometimes, users must submit html content to enrich the information published by users. of course, some codes that may cause messy page layout are also

Several mysql statements commonly used in PHP show databases or tables: several mysql statements commonly used in PHP Display database or table: Show databases; // You can then use database_name; Show tables; Change Table name: Alter table

Knowledge needs to be consolidated more, especially some very simple little knowledge. sometimes it is easy to forget it if you don't get in touch for a long time. Today, my colleague encountered a small problem when using in_array (). after

Due to the fact that the previous performance was not fully considered, the data in a daily report was too large (more than five hundred MB) and the query was very slow. Due to the incomplete consideration of previous work capabilities, the data in

Today, a colleague asked me if I could import an excel table in CRM. I said yes. although I have never done this before, it is nothing new to use php to operate excel documents. Today, a colleague asked me if I could import an excel table in CRM. I

The following code submits a form to multiple pages. The following code can submit a form to multiple pages. . How many pages can this type be submitted.

The so-called absolute address is with the domain name directly written to the connection address such as: http://www.php1.cn/jueduidizhi/ and vice versa is relative address, connection and hyperlink plus the knowledge of the

There are several ways to introduce external files. here we will list two methods for reference only. I haven't used CI for a long time. I will get familiar with them. if there are any problems, please refer to several methods to introduce external

I will write down my favorite and interesting topics and share them with you. The last time I wrote an article "talking with the boss in php". I still have a lot of questions. This book helps me introduce a lot. I will write down my favorite and

It is a long journey to study the CI framework. we hope that new users will not worry about it. let's study it together. CI is called Agile development. it has many advantages. it is said that the research on the CI framework of databases has been a

PHP5.5.0 was released yesterday and brings a complete list of new features and functions. One of the new APIs is PasswordHashingAPI. It contains four functions: password_get_info (), password_hash (), password_needs_rehash (), and password_verify ().

For websites with extremely high access traffic, tens of thousands or even hundreds of thousands of traffic a day, this puts a great burden on the website server. how can we achieve load balancing? Below are a few simple methods: For

Any output in the two sentences can be obtained using ob_get_contents (); instead of output to the browser. Ob_start ();....Ob_clean ();Any output in the two sentences can be obtained using ob_get_contents (); instead of output to the

Discuz does not support the use of multiple groups of memcache, so we need to modify the code: Discuz does not support the use of multiple groups of memcache, so we need to modify the code: 123456789101112131415161718192021222324252627282930

Hard drive in just 6 months, from 4G to 40G, all kinds of hard drive in just 6 months, from 4G to 40G, all kinds of damage In May April, I bought a new vps and moved it out of linode. it was not a bird. linode Japanese node, the night card. Besides,

DiscuzX2.5PHP login publishing module Class class_dz.php 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969

CFileLogRoute. logPath "/home/xxx/preview/protected/config/log/.../../log/2011/09/" doesnotpointtoavaliddirectory. make sure the directory exists and allow Webserverprocess to be written. CFileLogRoute. logPath

Phpcms has always encountered bugs while using it. it cannot be completely blamed. phpcms mainly loads the class library and mysql has db setting options. Phpcms has always encountered bugs while using it. it cannot be completely blamed. phpcms

In the past, when running a large web application, it was necessary to run a large web server. Because your application attracts a large number of users, you will have to add more memory and processors to your server. Today, the "large server" model

The transaction is committed, and its modifications will act on all other database processes. If an operation fails, the transaction will be rolled back and all operations affected by the transaction will be canceled. What is the transaction in the