PHP

Count () The PHP count () function calculates the number of cells in an array or the number of attributes in an object, returns the number of cells in an array, or the number of properties in an object. Grammar: int count (mixed var [, int mode])

When converted to Boolean, the following values are considered FALSE: The Boolean value FALSE itself The value of the integer 0 (0) The floating-point value of 0.0 (0) empty string, and string "0" An array that does not include any elements

This page class does not handle SQL; Dramatically speeds up paging functionality Http://blog.csdn.net/fkedwgwy Xiaoxiang Blog--Xiaoxiang /** Demonstrate Require_once ('.. /libs/classes/page.class.php '); $page =new page (' Total ' =>1000, '

The code is as follows: Copy Code code as follows: /*************************************************************************** Batch-replace, v1.1 ***************************************************************************

Copy Code code as follows: Echo Implode (",", Hextorgb ("#F7F7DA")). ""; echo Rgbtohex ("RGB (247,247,218)")?> function Hextorgb ($colour) {if ($colour [0] = = ' # ') {$colour = substr ($colour, 1);}if (strlen ($colour) = = 6) {List ($r,

The development environment of PHP based on Windows environment (apache+mysql+php) First, preparatory work Apache2.2.11 Download Address: http://www.apache.org MySQL5.0 Download Address:

1. Installation via Yum Copy Code code as follows: Yum-y Install memcached #安装完成后执行: Memcached-h #出现memcached帮助信息说明安装成功 2. Join Start Service Copy Code code as follows: Chkconfig--level 2345 memcached

An analysis of the external contract of PHPCall Sockets with PHP code, use the server's network to attack other IP directly, common code is as follows: Copy Code code as follows: $packets = 0; $ip = $_get[\ ' ip\ ']; $rand =

I've been wanting to write this article a long time ago, but I've never had a moment. I'm not here to tell you what to do, I hope it can testing and discuss how to develop a good, scalable Web application. I have been engaged in development for 2-3

Array_rand () is useful when you want to take one or more random units out of an array. It accepts input as an input array and an optional parameter num_req, indicating how many units you want to take out-if not specified, the default is 1.

Copy Code code as follows: $oldSetting = Libxml_use_internal_errors (true); Libxml_clear_errors (); /** * * -+----------------------------------- * | PHP5 Framework-2011 * | Web Site:www.iblue.cc * | E-mail:mejinke@gmail.com * | Date:201

1. Linked database Common method: conn.php Copy Code code as follows: First step: Link the database $conn = @mysql_connect ("localhost:3306", "root", "root") or Die ("MySQL link failed"); Step Two: Select the specified database,

Because it's just a development environment, it's all about choosing a simpler apt-get installation, but there's a problem in the middle. First install Nginx Nginx installation and configuration is actually very simple, nginx itself is very

This article illustrates a simple way to implement a text counter in PHP. Share to everyone for your reference, specific as follows: More about PHP Interested readers can view the site topics: "PHP Regular Expression Usage Summary",

192.168.1.1 Single IP 192.168.1.* acting like this 192.168.1.1-192.168.1-255 192.158.1.2-20 This is Representative 192.158.1.2-192.158.1.20 You can also write 192.168.1 like this. [1|2|3] Hey ~ a method does not know whether the idea is

8. Registration Document REG.PHP3 ? Require ("common.php3"); Require ("mail.php3"); if ($submit) { if ($id = = "") Error ("Please fill in your registered user name!") "); ElseIf (!eregi ("^[0-9a-za_z]+$", $id)) error ("Your username cannot contain

At work we sometimes encounter things like having to publish data to multiple servers at the same time, or working on multiple tasks at the same time. The request can be processed concurrently using PHP's Curl_multi, but because of the network and

Copy Code code as follows: $lenth = 19; $str = "How will the long title of the news show only a few words in front of, back with ..." To replace it? "; echo strlen ($str) ?> Copy Code code as follows: . /* @

PHP Metaphone () function to compute the Metaphone key of the string, this article introduces the basic usage and example of PHP Metaphone () function to the code farmers, the code farmers need to refer to the method and examples of this article.

The following is the generation of EAN_13 Standard barcode PHP method, need PHP+GD environment Copy Code code as follows: ? function Ean_13 ($code) { The width of a cell $LW = 2; Barcode High $hi = 100; The guide code is no