PHP Tutorials

Previously wrote an article about the weight of an array, but only one-dimensional arrays. The following functions can be used with two-dimensional arrays: Copy CodeThe code is as follows: Two-dimensional arrays eliminate duplicate values function

First on the source code, you can copy to your own computer up to run ~ Copy CodeThe code is as follows: Multiple file uploads Uploading file information $img = $_files[' img ']; if ($img) { File storage directory, and this PHP

Copy CodeThe code is as follows: /**Obtain the MAC address source of the network card; currently supports Win/linux systemGet the physical (MAC) address of the machine card**/Class getmacaddr{var $return _array = Array (); Returns an array of

I do not intend to explain the professional terminology in detail, and interested readers can refer to the reference link at the end of the article, where there is an understandable explanation: Let's look at an example image (taken with Canon 550D)

Copy CodeThe code is as follows: Class simpleclass{ Public $var = ' a default value '; Public Function Displayvar () { Echo $this->var; } } $instance = new Simpleclass (); $assigned = $instance; $reference =& $instance; $instance->var = ' $assigned'

Search on the Internet a lot of methods do not work, the study of the day, found through the following configuration can perfectly support the ' Url_model ' + 2 situation Copy CodeThe code is as follows: location/project/{ Index index.php; if (!-e $

Copy CodeThe code is as follows: JS End and judgment

Copy CodeThe code is as follows: Format data (prevent injection) function Site_addslashes ($string, $force = 0) { !defined (' MAGIC_QUOTES_GPC ') && define (' MAGIC_QUOTES_GPC ', GET_MAGIC_QUOTES_GPC ()); if (! MAGIC_QUOTES_GPC | | $force) { if (Is_

Keyword highlighting Copy CodeThe code is as follows: function Highlight ($sString, $aWords) { if (!is_array ($aWords) | | empty ($aWords) | |!is_string ($sString)) { return false; } $sWords = implode (' | ', $aWords); Return Preg_replace (' @\b ('.

Copy CodeThe code is as follows: date:2011-08-05 Class runtime//page Execution time classes { private $starttime;//page Start execution time private $stoptime;//page End Execution time private $spendtime;//page execution takes time function

The HTTP class is below the directory thinkphp/lib/org/net. Now let's see how it's called. Copy CodeThe code is as follows: Import ("Com.Buyback.QueryAmazon"); Import ("ORG.Net.Http"); Class Image { public static function GetImage ($ISBN)

Use of text boxes: 　　 The input type includes text, password and other types, HTML5 added a lot of input types, if you want to learn this kind of knowledge can be a good understanding, because the finer points, the more convenient to use. 　　

(1). REMOTE_ADDR: The IP address of the user's computer that is browsing the current page (2). Http_x_forwarded_for: A gateway to the user's computer that browses the current page (3). HTTP_CLIENT_IP: IP for Client Use $_server["REMOTE_ADDR" in

Zend to PHP all the variables are used in the structure of the way to save, and string preservation and array of Save is also different, arrays using a hash table way to save (you know that the address of the hash save effective reduce conflict-hash

Copy CodeThe code is as follows: /** * Judging whether the search engine spider * * @author Eddy * @return BOOL */ function Iscrawler () { $agent = Strtolower ($_server[' http_user_agent '); if (!empty ($agent)) { $spiderSite = Array

Three easy steps 1) Configure function Add an input for each field want to include in your filter Copy CodeThe code is as follows: $this->widgetschema[' name '] = new Sfwidgetformfilterinput (Array (' with_empty ' =

Copy CodeThe code is as follows: $RETURNURL = Rawurlencode (Base64_encode ($RETURNURL)); Coding $RETURNURL = Parse_str (Base64_decode ($RETURNURL));//decoding or $RETURNURL = Base64_decode ($RETURNURL);//decoding Or I do not know why, the first

In PHP, we all know that there are special MB_SUBSTR and Mb_strlen functions that can intercept and calculate the length of Chinese, but since these functions are not the core functions of PHP, they are often not open. Of course, if you are using

Things are not new, so the introduction does not introduce, the following is mainly the configuration process. First, download Zenddebugger, download link: http://downloads.zend.com/pdt/server-debugger/, because I am the win system, So just look for

The first clear I refer to the PHP project, refers to the post-graduation work, mainly in PHP web system development, did not use its language work. Work experience in about 3-4 years, ordinary Web system (millions access, level 1000 data or