PHP Tutorials

Like what: The first number is: 1. Look at the first number you can say a 1, then the second number is: 11. Look at the second number you can say 2 1, that is, the third number is: 21. Look at the third number you can say a 2, a 1, that is, the

An agent refers to a role acting on behalf of another role, as in life, a wine manufacturer who is not directly selling wine to retail customers is through an agent to complete his sales business. and customers, do not need to drink red wine

Copy CodeThe code is as follows: function Gmfun ($path = "."){$d = @dir ($path);while (false!== ($v = $d->read ())) {if ($v = = "." | | $v = = "..") continue;$file = $d->path. " /". $v;if (@is_dir ($file)) {Gmfun ($file);} else {if (@ereg

Copy the Code code as follows: /*—————————————————— */– Recursive implementation of infinite classification generation drop-down list function– $tpl->assign (' Sort_list ', createsortoptions ());– $tpl->assign (' Sort_list ', createsortoptions

Initially intended to use a foreach history, but found no success, oo not pass, no way oo write ... After the study decided to use for loop, the demo code is as follows: Copy the Code code as follows: $blog =array (Array"Titledata" = "Titlemm",

In Javascript, you can use the Escape/unescape () and Eval_r () functions for a simple transcoding process, so that the normal URL URLs look weird, making annoying search crawlers unable to identify the resources you want to hide. Here, it is

1. Using Print_r ($array/$var) Print is the meaning of printing, and R is taken from the word array, then the function is to print the set of contents, it can be printed array content, you can also print ordinary variables. Print_r

GB2312 Code: Copy the Code code as follows: function Unescape ($STR) {$str = Rawurldecode ($STR);Preg_match_all ("/%u.{4}|& #x .{4};|& #d +;|.+/u", $str, $r);$ar = $r [0];foreach ($ar as $k = = $v) {if (substr ($v, 0,2) = = "%u")$ar [$k] = Iconv

What do you mean by submit? The Submit object represents one of the submit buttons in the HTML form (the Submit button). This article is to explain that PHP receives the submission form when judging if ($_post[submit]) and if (Isset

Copy the Code code as follows: function Set_cronology ($name, $value, $duration =7) {$duration =time () + (3600*24* $duration);$max _stored_values=5;if (Isset ($_cookie[$name])) {foreach ($_cookie[$name] as $prop _CRif ($val _CRReturn}if ($prop

Copy the Code code as follows: Defining variables$local _file = ' local.zip ';$server _file = ' server.zip ';Connecting to an FTP server$conn _id = ftp_connect ($ftp _server);Verifying the logon server$login _result = Ftp_login ($conn _id, $ftp

Today, a netizen in the group sent a topic is not difficult, but may be wrong Copy the Code code as follows: Echo$a = = 1? ' One ':$a = = 2? ' Both ':$a = = 3? ' Three ':$a = = 4? ' Foura ': ' Other ';echo "\ n"; The output is: The result:

A string is series of characters. String access and modification by character Characters within strings May is accessed and modified by specifying the zero-based offset of the desired character after The string using square array brackets, as in

/** * @author Xiaoxiao 2011-1-12 * @link http://xiaoyaoxia.cnblogs.com/ * @license * Number of file lines and total files in the statistics directory • • Remove annotations */ $obj = new Caculatefiles (); If set to False, this does not

Copy CodeThe code is as follows: /** Author: Hu Rui* Date: 2011/03/19* e-mail: hooray0905@foxmail.com** 20110319* Common database operations, such as: Add or delete changes, get a single record, multiple records, return to the latest one insert

Error message: Problem Analysis: 1, C:\Windows\TEMP folder permissions are not enough, at least also to give the USERS group of readable writable permission; 2, C:\Windows\TEMP folder disk full, the file is not written in, empty the TEMP folder;

1. Define constant define ("CONSTANT", "Hello World"); Constants can only contain scalar data (boolean,integer,float and string). When calling a constant, simply use the name to get the value of the constant, not the "$" symbol, such as: Echo

Copy CodeThe code is as follows: $str =preg_replace ("/\s+/", "", $str); Filter Excess Return$str =preg_replace ("/$str =preg_replace ("//si", "", $str); Comments$str =preg_replace ("//si "," ", $str); Filter DOCTYPE$str =preg_replace ("//si "," ",

Here are a few more common methods: First introduce the data table structure involved, four fields: Copy the Code code as follows: UID : User ID session_id : The system-generated session_id,php after user login is obtained using

Copy the Code code as follows: 404 ' >The site with the new domain accessThe page you are currently visiting is http://www.jb51.cn The system redirects you to the corresponding page of the new station Http://www.jb51.net Or wait 5 seconds,