PHP

We can use the array_merge function to merge arrays in php.Array array_merge (array array1 array2 ..., ArrayN)Example The code is as follows:Copy code // Group buying 1$ T = 1;$ Tugou = esf ("*", "setindex = '1' $ cwhere order by id desc limit 0,

The implementation of php multi-process depends on the pcntl extension. During PHP compilation, you can add '-enable-pcntl' or compile it separately.Note the following three points:1. The sub-process does not execute the code before fork, but just

I. Front-endWhat is the engine used by Firefox and google? (At least the basics of the previous section, the compatibility of the browser for stream adjustment is required. It is also required to use CSS3 and HTML5)Firefox uses Gecko, while Safari

At this time, we need to modify the php. ini configuration file. I don't know where the configuration file is. Please use phpinfo () and search for php. ini. Then you can see the location of php. ini.Search: display_errors: set the value to on The

Example 1 obtain all the images in the string$ Str = ' ';$ Pattern = "/ /";Preg_match_all ($ pattern, $ str, $ match );Print_r ($ match );?>Result:Array([0] => Array([0] => )[1] => Array([0] => upfiles/2009/07/1246430143_1.jpg))Example 2: This

Directly run the code:The following example shows how to delete the html of a specified directory. If you want other files, you only need to change the html to the suffix you want to delete. The code is as follows:Copy code $ Lanmu = array

During local debugging today, a cookie cannot be written into the system. The environment is as follows:Domain name: 111cn.netBrowser: chrome34Code: The code is as follows:Copy code Header ("Content-type: text/html; charset = utf-8 ");If (isset (

Because isset belongs to the language structure in php, and array_key_exists is a function, isset is faster. In addition, isset also exists in other languages and is more readable.I am confused. What is isset actually not a function? As for the

Server The code is as follows:Copy code Set_time_limit (0 );$ Host = "localhost ";$ Port = 1001;     // Create a connection$ Socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP) or die ("cannot create socketn ");// Bind the socket to the port$

Implementation method:1. Directly use the file function.Note: The file function reads all the content into the memory at a time. To prevent some poorly written programs from occupying too much memory, php causes insufficient system memory and server

The code is as follows:Copy code Mysql_connectMysql_connect ($ this-> root, $ this-> user, $ this-> pass) /*Mysql_connect, a single user does not frequently call database tutorials, there is no need to keep the connection, and the number of

Data are separated by commas.Form:Good $ ID_Dele = $ _ POST ['id _ Dele '] will be an array. Although PHP is of a weak type, ASP is not weak here.ASP can be directly:SQL = "delete from [doing] where id in ('" & ID_Dele. However, PHP cannot directly

$ Database = ''; // database tutorial name$ Options = array ('Hostname' => '', // IP address'Charset' => 'utf8', // encoding'Filename' => $ database. '. SQL', // file name'Username' => '','Password' =>'');Mysql tutorial _ connect ($ options

Flock(PHP 4 and PHP 5)Flock-portable consultation file lockingDescriptionBoolean group (resource $ processing, interpreting $ operations [Abstract & $ wouldblock])Flock () allows you to perform a simple card reader/write mode, which can be used on

PHP mysql_data_seek () function tutorialDefinition and usageThe mysql_data_seek () function moves the internal row pointer.Consecutive internal pointers are the mysql_query () functions currently ranked in the returned results.This function returns

Use the for loop to traverse the defined characters. The code is as follows:Copy code /* Generate Password* Length: 8*/$ Str = "0123456789abcdefghijklmnopqrstuvwxyz"; // output character set$ N = 8; // output string length$ Len = strlen ($ str)-1

Create a php file The code is as follows:Copy code $ Str = " ";File_put_contents ('test. Php', $ str); // use a script to create a php file?> Example 2 The code is as follows:Copy code If ($ argc! = 2 ){Die ("Usage: php mkphp. php filename "

Program The code is as follows:Copy code /*** $ Str original string* $ Encoding of the original encoding string. The default value is GBK.* $ Prefix: the prefix after Encoding. The default value is "&#"* $ Postfix: the suffix after Encoding. The

Share a regular URL expression written by a colleague. Disadvantages: Chinese URLs are not supported: The code is as follows:Copy code (Http [s] {} | ftp): // [a-zA-Z0-9 \. \-] + \. ([a-zA-Z] {2, 4}) (: \ d + )? (/[A-zA-Z0-9 \.\-~! @ # $ % ^ & *