PHP

How can I determine the encoding of a string? Php has a function: mb_detect_encoding. However, this item requires the mb_string Library, which is not available everywhere. Function is_utf8 ($ string ){ Return preg_match ('% ^ (? : [\ X09 \ x0A \ x0

Sometimes, the Web server cannot determine the message size in the Header when generating HTTPResponse. in this case, the server generally does not provide the Content-Length Header information, the Chunked encoding is used to dynamically provide

This article is a summary of dragon's discussion. Sorting in DB or in applications is a very interesting topic. The first dragon email is actually well summarized. I just added some suggestions. This article was first published on the InfoQ Chinese

The red text is a variable. I also wrote it while checking the manual. I have never touched it before. this small code took more than an hour to record. $ Conn = OCILogon ("username", "password", "(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST =

Because I recently used PHP as a little thing and learned new PHP. As a result, it took only two hours to learn about PHP, but two days to configure the server. In order to avoid forgetting it in the future, write a blog and leave it to the bottom.

In PHP, the class and class method names are known in advance, and call_user_func function can be used for dynamic execution. The official manual provides the following examples: The code is as follows: // Example of using NameSpace Namespace

Every time I write an SQL condition statement, it is very troublesome and prone to errors. I wrote a function and integrated it into the database class to automatically generate the SQL where condition statement based on the input array. The code

The pagination of the php result set is described in detail later. The latest php will help you learn more. The code is as follows: @ Mysql_connect ("localhost", "root", "1981427") // connect to the database server Or die ("database server

This example is used to learn how to create an xml message book. The code is as follows: // Open the XML file used to store messages $ Guestbook = simplexml_load_file ('Db/guestbook. XML '); Foreach ($ guestbook-> thread as $ th) // read every

Code used to determine the php file type. $ Filename = "D: \ 296.mid "; $ File = fopen ($ filename, "rb "); $ Bin = fread ($ file, 2); // read-only 2 bytes Fclose ($ file ); $ StrInfo = @ unpack ("c2chars", $ bin ); $ TypeCode = intval ($

In the PHP version of CSDN, I often see someone asking the TEXT field to be truncated, and I have answered the question for countless times. Let's summarize the nature of Sybase today. Author: Wenlong Wu 1. for ms SQL SERVER databases There are two

The verification code is required for background login, and SessionID is required for foreground user tracking. of course, the default PHP will have a SessionID after the Session is enabled, but I need my own, and can be stored in the database, then

At the beginning, Ajax calls PHP to dynamically generate XML files using DOM without any errors. When it is transferred to ZendFrameWork, it is displayed in IE and Ajax resolution is normal. However, the following error occurs in Firefox and Safari:

I remember the last time there was a post-collection processing. this is the upgraded version of this product, which is used to reprocess and synthesize a txt book. /** * @ Name Collection book. php * @ Date Sun Mar 01 22:48:02 CST 2009 * @

Array_intersect () returns an array containing all values that appear in the array of all other parameters at the same time in array1. Note that the key name remains unchanged. Array array_intersect (array array1, array array2 [, array...]) The

In a user-defined function, a local function range is introduced. By default, any variable used in a function is limited to a local function. The code is as follows: $ A = 1; Include 'B. Inc '; ?> The variable $ a will take effect in the

Use SHA1 to generate the key book. ZLIB compression for more than 300 characters supports Chinese characters. you can test it. The code is as follows: // + ------------------------------------------------------------------------ + // | Willko

Today, a friend asked me how to use str_pad. he said that many of the online documents were taken directly from the manual. so I will write the details. the str_pad () function is used to fill another specified string with a string to the specified

PHP knows how to compare two numbers or strings, but each element of a multi-dimensional array is an array. PHP does not know how to compare two arrays, so it is necessary to establish a method to compare them. Php simple array sorting method for

Php verification code production principle analysis. 1. Generate a random number Use the for loop to generate several random numbers. Use a random function to generate a random number within the specified range. For example, rand () generates