PHP Tutorials

PHP tutorials How to write cookies across domains to implement synchronous login code//Plus header (' p3p:cp= "cura ADMA deva PS Tutorial ao psdo our bus uni pur int dem STA Pre com NAV OTC NOI DSP cor" ' //Method Two is for level two domain name Setcookie (' Loaddomain ', ' http://'. $url, Tim ...

PHP tutorial The external link code function deleteemptyarray ($val) {$links = '; if (Is_array ($val)) {foreach ($val as $v =>$_v) {if (!empty ($_v[0)) &nb ...

The Strtok () function can control the tempo relative to explode (). Cut strings on demand. The advantages are: 1, you can define multiple separators at once. When a function is executed, it is cut by a single delimiter rather than by the entire separator, while the explode is cut by the entire separator string. Therefore, explode can be cut in Chinese, and strtok is not, will be garbled. 2, in the use while or for with strtok () traversal, you can change the separator at any time, you can break out at any time with the break cut ...

tasks: Traverse a directory and distinguish between the files and subdirectory folders displayed: 1, Directory Inc has the following: subdirectory 0 subdirectory a footer.html header.html login_function.inc.php mysqli_connect.php Style.css 2, now PHP to traverse the INC directory, and only display files, do not display directories 0 and a, the code is as follows: $dir = {GetProperty (Co ...

as follows: $a = ' 2<span><nobr>tóng<span class= ' h ' >dòng</span></nobr><br> dong </span >3 '; echo preg_replace ('/<span class= "h" >[...

The general function of converting a Chinese character to Unicode does not depend on any library or any other custom function, but conditionally: this file and the input parameters of the function should be encoded with utf-8, otherwise the function conversion should be added. ? /** * A common function to convert a Chinese character to Unicode do not rely on any library, and other custom functions, but conditional * conditions: This file and the function of the input parameters should be encoded with utf-8, or to add function conversion * In fact, can easily write the reverse conversion function, even not limited to Chinese characters, strange for ...

To use the message platform, the text message each has a limit of words, and the service side of the message platform will not be analyzed. The background of the SMS platform will be split by itself, but the API does not have this function. I found a little time on the internet. Then I thought of a way, it is original. It's just a function of interception plus substitution. function Smssubstr ($string, $length) {if (strlen ($string) <= $length) {ret ...

Using PHP's Curl library can be a simple and effective way to capture web pages. All you have to do is run a script and then analyze the pages you crawl, and then you can get the data you want in a program. Whether you want to take part of the data from a link, or take an XML file and import it into a database, it's a simple way to get the Web content, CURL is a powerful PHP library. This article mainly describes if you use this PHP library. Enable CURL settings First, we have to determine whether our PHP has opened this library, you can pass ...

Recent learning URL jump when new into three PHP encryption and decryption function is very good, looks like the discuz ... Use these encryption to decrypt the reason is because sometimes their own URL address was acquired after you want to break inside the value of the content you must know your key, no key, he should be broken for a while to know the content of your URL. Pack them into a file called fun.php bar <?php function Passport_encrypt ...

PHP Tutorial converts HTML tags into legitimate HTML code program function Ihtmlspecialchars ($string) {if (Is_array ($string)) {foreach ($string as $key => $ val) {$string [$key] = Ihtmlspecialchar ...

PHP Tutorial Setting cookies with the clear cookie method/* Setcookie () function defines a cookie that is sent by the remainder of the HTTP header together. Like other headers, cookies must be sent from your script (this is a protocol limiting output). This requires your place to call this function before any output, including <html> and <head> tags, as well as any spaces. Once the cookies have been identified, they can access the next page loaded with $ _cookie or $ htt ...

One of the simplest PHP connections to an Access database and an example of inserting data into a database <?php $connstr = "Driver=microsoft Access DRIVER (*.mdb);D bq=". Realpath ("Db1.mdb" ); $connid =odbc_connect ($connstr, "", "", S ...

PHP connects to access with an ODBC-related function. The code for the connection is as follows: <?php $connstr = "Driver=microsoft Access DRIVER (*.mdb);D bq=". Realpath ("Mydb.mdb"); $connid =odbc_connect ($connstr, "", "",...

PHP tutorial The two tables are merged into a new table and ordered <?php/** LA (3,5,8,11) lb (2,6,8,9,11,15) is merged into LC, arranged in order. With PHP, you can't use functions like sort!!!!     **/class Union {var $lista = array (); var $listb = array ...

Several defense PHP Tutorial program by Trojan Attack configuration detailed method <!doctype HTML public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/ Dtd/xhtml1-transitional.dtd "> <html xmlns=" http: ...

PHP tutorial Seven kinds of cache control output instance code can be opened according to the cache or not, there are several different ways of writing: note: The following code does not consider the IE cache must be greater than 256 bytes to output the problem, such as in IE test, please add a sentence in the code: "Echo str_repeat (", 256) "1:output_buffering = Off Implicit_flush=off for ($i =0; $i <10; $i + +) ...

/php the repeating word in the string, generates the index string, and the string parameter is a string//--------------------------------------------------function Getindextext ($ Okstr, $ilen =-1) {if ($okstr = = "") r ...

PHP Tutorial General Page class Code/Class Dividepage//Page class {private $page;//current page private $total;//Total number of records private $pagesize;  Number of records per page private $prepage; Previous Page Private ...

PHP Tutorial Mixed Preg_replace_callback Instance application code//requirements: Add a request=xxx after all connections; This function is more flexible than preg_replace, and note that what it replaces is the contents of the entire regular expression. $content = ' <a href= http://www.jzread.com/aaa.php ' > link 1</a>

? PHP Tutorial Limit user 60 seconds Post Comment instance code/* CREATE TABLE ' Test '. ' abc ' (' ID ' int (4) NOT null auto_increment, ' Times ' int (4) NOT null default ' 0 ', ' IP ' varchar null default NULL, PRIMARY KEY (' I ...