PHP Tutorials

Headers ("Location:login.php") should be noted for several problems with the header ("Location:") as a steering statement for PHP. In fact, in use, he has a few points to pay attention to the place. 1. No output required before header But many

PHP output content in hierarchical relationship Function getsubcomments ($parent = 0, $level = 0) { $db = &jfactory::getdbo (); $sql = "..."; SQL $db->setquery ($sql) for querying records; $rows = $db->loadobjectlist (); $list = Array (); //

1. Sys_getloadavg () SYS_GETLOADAVT () can obtain the system load condition. The function returns an array of three elements, each representing the average load for the system in the past 1, 5, and 15 minutes. Instead of letting the server down

Recently wrote the English search for thieves, in order to let spiders better enjoy the fun of the link, so the use of storage processing, the recent search to write to MySQL, while the home page call these query data, you can reach the effect of

PR value is all called Pagerank.pagerank (page level) is a way for Google to measure the importance of a Web page. After all other factors such as the title logo and the keywords logo have been combined. Google adjusts the results by PageRank. The

You should know that the caching mechanism can effectively reduce the site's server pressure, SmartyOne of the highlights of the template engine is that it provides us with a very simple caching operation, so let's take a look at the

/** * One-way string encryption algorithm cannot be used as password encryption */ if (crypt_std_des = = 1) { echo "Standard DES:". Crypt ("Hello World"). " \ n "; } Else { echo "Standard DES not supported.\n"; } if (crypt_ext_des = = 1) { echo

Optimization of the intersection of PHP arraysLet's say we're running a mobile-related website where users can filter their desired phone by specifying several parameters, such as the operating system, screen resolution, camera pixels, and so on.

Foreach $tar = Array ( 1 = ' East ', 2 = ' West ', 3 = ' South ', 4 = ' North ', 5 = ' Southeast ', 6 = ' Southwest ', 7 = ' Northeast ', 8 = ' Northwest ', 9 = ' North and South ', ' Things ', ); Code to copy code as follows $TM = ' West

By WordPress template Weird code empty line toss half a day. Because dansion brother's drive, began the journey of Dreamweaver. However, few people are concerned that when you save with Utf-8 encoding in Dreamweaver, there are two options for

How to use PHP arrays to rank millions of data In peacetime work, often received to the site members of the station letter, mobile phone text messages, e-mail for mass information notification, the user list is generally provided by other

Pclzip Introduction The Pclzip Library is capable of compressing and decompressing compressed files (WINZIP, PKZIP) in zip format, and can process such files, including generating compression files, listing the contents of compressed files, and

PhpFirst look at the cache file if (file_exists ("static.html")) {//cache time is 3 minutes if (timing ()-filemtime ("static.html") Echo file_get_contents ("static.html"), $end _time = Microtime (); echo "Static File Usage time:". ($end _time-$start

The PHP development framework has recently become a hot topic in the PHP community, with a new framework being introduced almost every day. With more than 40 development frameworks on the market, it's hard to tell which one is best for you,

Python's other loop body structure is the count loop body for, which uses the syntax structure to implement some number of statement block loops through a for loop. The for loop application idea of the Py Thon is the same as other high-level

Loop Delete directory and file functions The code is as follows function Deldirandfile ($dirName){if ($handle = Opendir ("$dirName")) {while (false!== ($item = Readdir ($handle))) {if ($item! = "." && $item! = "...")

Want to run PHP in Windows 2003, but also save memory, it is very embarrassing thing, considering IIS7.5 Express can run on the WIN2003, not only can fastcgi support PHP, and comes with rewrite components, Simply change the rule rules on the Web.

Download the URL of the source package Http://pecl.php.net/package/xhprof It says that each version applies to the PHP version. Planning (pre-figuring out the idea)One, this is the form of a PHP extension. Our installation of Gd2,curl is a form

Now the site will have some service stuff. such as calendar, weather forecast and so on! Since Google has permanently closed the weather API, I've also found a weather API that calls Yahoo and Sina. Yahoo Weather forecast Address http://developer.

Floor House de-rounding syntax format: Float floor (float value) Returns the next integer not less than value, rounding out the fractional part of value. The type returned by floor () is still float, because the range of float values is usually