PHP

Author: Sun sportsThe other is similar to the "if-else" family control statement function, which is the "switch" statement of PHP. It looks as follows:--------------------------------------------------------------------------------Switch

Although the message book of the base database can be very beautiful and better managed. However, for those who have no database space, text-based message books can also be used by personal sites. As long as we try to do the same thing, it can be

One of the advantages of PHP is that it is fast. It is enough for General website applications. However, if the site's traffic is high, bandwidth is narrow, or other factors cause a performance bottleneck on the server, you may have to think of

Then, you must enter it in the next file (index3.wml. We ask the user to enter the subject name or the professor's surname. Pay attention to how variables are transmitted between pages. The syntax seems a bit complex, but it helps you understand how

1. IF statementIF statements are an important feature of most languages. They execute program segments based on conditions. PHP's IF statement is similar to C:If (expr)StatementAs discussed in the expression, expr is calculated as its true value. If

In this article, I will show you how to place OSO counters on your image site. I will introduce you to the idea of creating your own free counter system, you have to write the program yourself.Many websites provide the free counter service. A long

Some time ago I came into contact with DEC Tru64 Unix. I installed PHP + APACHE on it. I could use the provided mail function to send emails normally, so I compiled a function, it uses UNIX pipelines and php sock functions to send emails. The

After that, we can see that the mysql module is not found in phpinfo (). The so-called solution, such as putting php. ini into C: \ Windows environment variables, is unreliable .....Even copy the dll of the ext folder to System32.It's not reliable

1. Use MyISAM instead of InnoDBCompletely false. counterargument reason:In the original article, MyISAM is used by default. In fact, InnoDB has become the default table engine in MySQL 5.5.x.In addition, the simple use of InnoDB is not a solution to

In fact, I have already written a PHP ping Service Code class before. However, many of my friends have added my friends and said they do not understand it. It is written in the form of a class, maybe it's not good to directly put it in the Code.

I. Security No matter how the program is written, security is the first priority. programs without security assurance cannot talk about high quality.Ii. Stability No matter how bad your code is, you must be able to run it stably.Iii. User Experience

This program is actually an important part of the "thief program. This program is just a part of downloading remote images. The program is easy to write and comments are made in most parts.Copy codeThe Code is as follows:If (preg_match_all ("/http: /

Copy codeThe Code is as follows:/*** Function for converting a numeric amount to a Chinese capital amount* String Int $ num the lowercase number or lowercase String to be converted* Return uppercase letters* Two decimal places**/Function get_amount (

1. Obtain the date timestamp through strtotime ().2. Obtain the timestamp N days ago and use the "current timestamp-N days in seconds = N days ago timestamp"3. Use the date () function to convert the format of the timestamp obtained N days

The following describes two methods of Crontab.1. Use PHP to execute scripts in CrontabJust like calling a common shell script in Crontab (specific Crontab usage), you can use a PHP program to call the PHP script.Execute myscript. php every hour as

Generally, the display of website pages inevitably involves the interception of sub-strings. At this time, truncate is useful, but it is only suitable for English users. For Chinese users, if you use truncate, garbled characters may occur. In

This article describes how to implement time Conversion Based on the timeline.First, we need to understand several functions of time:Time (): returns the current Unix timestamp.Date (): format a local time/date.Example:Copy codeThe Code is as

Cross-Site Request ForgeryIt is difficult to prevent the forgery of Cross-Site requests, and the danger is huge. Attackers can use this method to prank, send spam information, and delete data. Common forms of such attacks include:Counterfeit links

PDO is a major new feature of PHP 5, because php4/php3 before PHP 5 was a bunch of database extensions to connect to and process various databases, php_mysql.dll, php_pgsql.dll, php_mssql.dll, php_sqlite.dll, and other extensions to connect to MySQL,

Copy codeThe Code is as follows:$ Full_name = array ();$ Full_name ["Roger"] = "Waters ";$ Full_name ["Richard"] = "Wright ";$ Full_name ["Nick"] = "Mason ";$ Full_name ["David"] = "Gilmour "; To sort this array, you just use the assort () function.