PHP Tutorials

Php:ip conversion Shaping (RPM) This article is reproduced from:?? Http://blog.chinaunix.net/uid-10697776-id-2935481.html ? ? ? How do I convert four fields with a point-separated IP address protocol to an integer? PHP has such a function ip2long.

The principle and source code of PHP Chinese high-speed participle One, the disadvantage of the forward maximum matching algorithm and the inverse maximum matching algorithm Forward maximum matching algorithm: From left to right, several

Problem with picture Verification code A simple code to display the verification code, as follows. for ($i =0; $i { $r. =dechex (rand (1,15)); } $im =imagecreatetruecolor (100,30); $BG =imagecolorallocate ($im, 0,0,0);//The background color when

Can you determine the trend based on the following two arrays? $old _rank = Array ("1" =>array (' uid ' =>132, ' Use_score ' =>61570),"2" =>array (' uid ' =>121, ' Use_score ' =>50932),"3" =>array (' uid ' =>145, ' Use_score ' =

High score to find an algorithm, online waiting ... This post was last edited by Sibang on 2013-10-16 22:08:17 $arr =array (Array (' A ', ' B ', ' C '),Array (' d ', ' e ', ' f '),Array (' g ', ' h ', ' I '),The number of the second array is

Thinkphp Framework questions about whether a database has a value Just want to do a login system, but submit the previous registration is always output is not where () where the problem, how to change ah? My account number in the

PHP Wireless level classification to implement comment reply function Header (' content-type:text/html; Charset=utf-8 ');echo $_server["REMOTE_ADDR"]. " ";$sip =substr ($_server["REMOTE_ADDR"],10,12);$EIP = 200;if ($sip > $eip) {echo "Your

PHP data problems, ask Master! There is such an array: Array([0] = = Array([Time] = 1382060855000[Day] = 2013-10-18[Latitude] = 39.9289[Longitude] = 116.3883)[1] = = Array([Time] = 1382060855000[Day] = 2013-10-18[Latitude] = 42[Longitude] = 43.5)[2]

PHP gets the user's real IP address /** * Get the user's real IP address * * @access public * @return string */function real_ip () {Static $realip = NULL; if ($realip!== NULL) {return $realip; } if (Isset ($_server)) {if (Isset ($_server[' http_

PHP Implementation page scoring industry display PHP Paging if (Isset ($_get[' page ')) { $page = intval ($_get[' page '); } else{ $page = 1; } Quantity per page $PageSize = 10; Get Total data volume $sql = "SELECT count (*) as amount from news"; $

PHP number combination problem 1. Put a number: [{"0": "1011", "post_id": "1011", "1": "4", "Post_parent": "4", "2": "Hkbc_program_name_image", "Meta_key": "Hkbc_program _name_image "," 3 ":" "," Meta_value ":"},{"," 0 ":" 1011 "," post_id ":" 1011 "

Ajax coding problems, such as online heroes Help!!! Public Function Ajax_page () {Header (' CONTENT-TYPE:TEXT/HTML;CHARSET=GBK ');Error_reporting (E_all);$page = $this->input->post (' pg ');$where = $this->input->post (' action ');$array = Explode (

Ask for a SQL stitching problem?? Requirements: According to the province, customer name, ventilation time 3 conditions to sort, you can select only one or more, these 3 sorting criteria are check boxes, SQL is as follows: $MYSQL->query ("select *

To find the regular expression. Matching paths {dede:img text= ' SODIUM silicate PRODUCTION line ' width= ' height= ' + '/uploads/allimg/20130625/1-1306251312185 '. JPG {/DEDE:IMG}{dede:img text= ' 30t/day Fully automatic Sodium silicate Furnace

Some PHP interview topics Objective Life is always looking forward, waiting for a day without Ali's interview notice, the mood is quite gray, but life always to continue, or to look forward to, do a few PHP interview topics, after all, my main

"Very PHP Learning Network" (www.veryphp.cn) one-time online The production of "very PHP Learning Network" spent the National Day holiday, in fact, from the Computer Learning Network (http://www.why100000.com, domain name just renew) to rewrite

PHP Installation and configuration Compile and install php5-5.2.6-49.11.src.rpm:./configure--prefix=/usr/local/php--with-apxs2=/usr/local/apache/bin/apxs--with-config-file-path=/usr/local/ LibMake;make InstallOK, now it's finished 50%, and it's

Connecting MySQL Issues The great God, such as, according to the online information configuration of various, and then in the IDE error, can be displayed in the page connection success, why? MySQL PHP Share to: ------Solution-----------

About the PHP optimization speed problem, the file cache, the impact will be large? Due to limited conditions, there is no memcache, but many places such as "regional information, various tree classification, global menu link" and so on information,

Ask PHP algorithm, two-dimensional array to take out one-dimensional array of the same ID as several new two-dimensional arrays. Little brother just learned PHP soon, encountered a problem, ask the heroes, thank you! The two-dimensional array is as