PHP

Recently in the online communication, we found that the use of the session there are many misunderstandings, in essence, is not aware of the working principle of sessions. When session sessions are turned on, a cookie (named Phpsessid can be

It is advantageous to code optimization by detecting memory usage of scripts. PHP provides a garbage collector and a very complex memory manager. The amount of memory that the script uses when it executes, with a rise or fall. In order to get the

$_server[' http_accept_language ']//browser language$_server[' REMOTE_ADDR '//Current user IP.$_server[' remote_host '//Current user host name$_server[' Request_uri ']//url $_server[' Remote_port ']//port.$_server[' server_name ']/the name of the

if (!isset ($_server[' Request_uri ')) {$_server[' Request_uri '] = substr ($_server[' argv '][0],strpos ($_server[' argv '][0 '), '; ') + 1);} /*+-------------------------------------------+ fix:success+-------------------------------------------*/

form elements [select Drop-down list] make two level linkage menu $link = mysql_connect (' localhost ', ' root ', ' root ') or Die (Mysql_error ());mysql_select_db (' Cshouse ', $link) or Die (' db error ');mysql_query ("Set Names ' GBK '");/* $sql =

?>yd631_php_user Member Management Example Registration (reg.php) | | Return Username: Password: Sex:ManFemale Age: Telephone: Mail: Address:" Register PHP Processing page Registering processing pagesWww.yd631.comTechnical D.joyfunction

Reading Chinese xls, csv files will have problems, find the information online, found PHPExcel class library easy to use, official website address: http://phpexcel.codeplex.com/1. Read the content of the xls file The code is as follows:Copy code

1. Specify tags for regular expression filtering The code is as follows:Copy code /*** @ Param $ content* @ Return mixed* Filter the reserved content of Tag.*/Public function delete_tags_a ($ content ){$ Content = preg_replace ("# ] *> (.*?) #

Recommendation method CURL acquisition The code is as follows:Copy code $ C = curl_init ();$ Url = 'www .111cn.net ';Curl_setopt ($ c, CURLOPT_URL, $ url );Curl_setopt ($ c, CURLOPT_RETURNTRANSFER, 1 );$ Data = curl_exec ($ c );Curl_close ($ c );

Snoopy features:1. fetch the webpage content2. fetchtext3. Capture the link of the web page, form fetchlinks fetchform4. Support for proxy hosts5. Basic user name/password verification is supported.6. You can set user_agent, referer, cookies, and

 If it is set to dynamic, the number of processes is dynamic, starting with pm. the number specified by start_servers. If there are many requests, it will automatically increase, but it cannot exceed pm. the number of idle processes specified by max_

Definition and usageRecords of the flag field returned by the mysql_field_flags () function.This function gets the foreign data mysql_query () function, and returns a string of success, or FALSE or failure, there are no more rows.Possible return

ODBC for PHP databasesODBC is an application programming interface (API) that allows you to connect to a data source (such as the MS Access database ).--------------------------------------------------------------------------------Create an ODBC

Generate a short URL program The code is as follows:Copy code Function code62 ($ x ){$ Show = '';While ($ x> 0 ){$ S = $ x % 62;If ($ s> 35 ){$ S = chr ($ s + 61 );} Elseif ($ s> 9 & $ s $ S = chr ($ s + 55 );  }$ Show. = $ s;$ X = floor ($ x/62

Deletes the specified element of an array. The code is as follows:Copy code $ A = array (0 => "Dog", 1 => "Cat", 2 => "Horse", 3 => "Bird ");Print_r (array_slice ($ a, 1, 2 ));?>OutputArray ([0] => Cat [1] => Horse) I think array_search () is

For example The code is as follows:Copy code $ Filename = "Chinese file name .txt ";Header ('content-Type: application/octet-stream ');Header ('content-Disposition: attachment; filename = '. $ filename );Print "Hello! ";?> Save the program as a

The code is as follows:Copy code // The keyword to be replaced$ GLOBALS ["patterns"] = array ("/# BASE_URL #/");// The Replaced content corresponds to the above matching rules one by one$ GLOBALS ["replacements"] = array (Http://api.map.baidu.com/

The code is as follows:Copy code  //************************************** **//// Function: add text to the image// Parameter: $ img image file name// $ New_img saves another image file name. If it is null, it means no other image is saved.// $

The code is as follows:Copy code /*** Implement transcoding in a loop ** @ Param string $ param (string, object, or array), $ currCharset current encoding, $ toCharset expected encoding* @ Return parameter type*/Function zhandi_iconv ($ param, $

Preface:PHP supports operations on various types of databases, and also provides rich operation methods for file operations, many of my friends are still operating on files, but sometimes there are still many puzzles and doubts when operating on