PHP

"^/d+$"//non-negative Integer (positive integer + 0)"^[0-9]*[1-9][0-9]*$"//Positive integer"^ ((-/d+) | (0+)) $ "//non-positive integer (negative integer + 0)"^-[0-9]*[1-9][0-9]*$"//Negative integer"^-?/d+$"//Integer"^/d+ (/./d+)? $"//nonnegative

The code is as follows Copy Code function DownloadFile ($file) {$file _name = $file;$mime = ' application/force-download ';Header (' Pragma:public '); RequiredHeader (' expires:0 '); No cacheHeader (' Cache-control:must-revalidate,

The 13th teacher provided the paging function, I made the appropriate changes, removed some I do not understand the place.As long as you study the teacher's function well, it is very easy to judge the place that I have changed.If you feel that I

The code is as follows Copy Code $a = Array (' Aaaaaa ' => Array (' Aaaaaa ' => Array (' 111111 ',' 222222 ',' 333333 '),' BBBBBB ' => Array (' 111111 ',' 222222 ',' 333333 '),' CCCCCC ' => Array (' 111111 ',' 222222 ',' 333333 '),)

function Sendfile ($myFile) { $MM _type= "Application/octet-stream"; $fp = fopen ($myFile, ' RB '); $size = FileSize ($myFile); Ob_start (); Header ("Cache-control:public, must-revalidate"); Header ("Pragma:hack"); Header ("Content-type:").

function getServerName (){$ServerName = strtolower $_server[' server_name ']?$_server[' server_name ']:$_server[' http_host ']);if (Strpos ($ServerName, ' http://')){Return Str_replace (' http://', ', ', $ServerName);}return $ServerName;}Instance

The addition of an array (the top and end data are added (without limiting the number of bars) and the data operation is added anywhere in the middle).2~ the deletion of the array (the end of data deletion (not qualifying), as well as data deletion

The while statement executes a block of code if the specified condition evaluates to True. If the condition becomes false, in the loop Stops execution and controls the loops that are passed to the statement after the statement. The syntax for the

Class my_lib_pages{Private $each _disnums;//The number of entries displayed per pageprivate $nums;//Total number of entriesvar $current _page;//the currently selected pagePrivate $sub _pages;//The number of pages per displayprivate $pageNums;//Total

This script uploads multiple files at a time. For uploading multiple files at a time, first create an upload according to the specified number of file tables. When you create a table, the files should be posted separately in each row and column.

PHP Chinese character Verification Code instance code Header ("Content-type:image/png"); $str = " One is in the not big this is the main people on the ground for a labor to move domestic to me to he will do to the school subordinate on the annual

$_server[' php_self ': The name of the file that is currently executing the script, related to document root. $_server[' argv ': arguments passed to the script. $_server[' argc ': Contains the number of command-line arguments that are passed to the

The code is as follows:Copy code /*** Insert an element into a two-dimensional array in reverse order* * @ Author WadeYu* @ Date 2012-05-30*/$ ASorted = array (Arrays (1,100 ),Array (2, 90 ),Array (3, 80 ),Array (4, 70 ),Array (5, 60 ),Array (6, 5

You only need to get two variables to get half done:Number of records to be displayed per page $ pageSizeTotal data volume in the table $ rowCountWith the above two variables, we can get a total of several pages. $ pageCountThen, through the for

1. Install and configure CKEditorBefore expanding CKfinder to upload images, we should first install the most basic CKeditor editor.1. Decompress the downloaded ckeditor_3.4.2.zip file and copy the ckeditor folder in the directory to the desired

302 temporary redirection for headers The code is as follows:Copy code Header ("HTTP/1.1 302 Found ");Header ("Location: http://www.111cn.net "); The page cannot be found because the header is 404 The code is as follows:Copy code Header

  The code is as follows:Copy code Function cacheArr (& $ data ){If (! $ Data) throw new Exception ('Array cannot be blank ');Foreach ($ GLOBALS as $ key => $ value ){$ Str = $ GLOBALS [$ key];$ GLOBALS [$ key] = 'changed ';If (& $ data =

I have never learned PHP before. I have recently used a new project, so I decided to learn and make PHP.1. You can add restrictions in SQL statements: left (text, 20) only takes the first 20 words of text;2. limit fromRecord and RecordNum can be

I have been developing PHP applications for the past four years. PHP is indeed very easy to write. However, PHP also has some very serious defects.Next I will give my reasons why PHP is not suitable for websites larger than small and amateur

Configure the system before connection:1. Check that the php5.2.5/ntwdblib. dll file contains one by default, which cannot be connected and replaced.Download the correct version of ntwdblib. dll (2000.80.194.0), Address: