PHP

/******* Echo ********/Echo-output one or more stringsDescriptionEcho (string arg1 [, string...])Echo () is actually not a function (it is a language structure), so you do not need to use parentheses. Echo () (unlike some other languages) is not

PHP Optimization for PHP is mainly for php. the main parameters in ini are adjusted and set properly. Let's take a look at php below. how to set parameters that have a greater impact on performance in ini.# Vi/etc/php. ini(1) Disable finding PHP

As follows:Copy codeThe Code is as follows:// Define the EncodingHeader ('content-Type: text/html; charset = UTF-8 ');// AtomHeader ('content-type: application/atom + xml ');// CSSHeader ('content-type: text/css ');// JavascriptHeader ('content-type:

1. const is used for defining class member variables. Once defined, the value cannot be changed. Define defines global constants that can be accessed anywhere.2. define cannot be defined in the class, But const can.3. const cannot define constants

I saw a book on php in, and it was still php3. Looking back on the prospect of php on the web in four years, it was still bright! Php, which has not been seen for three years, has reached php5. Now I have been writing the first php WEB for three or

Yii framework provides two sets of permission access systems, one is the simple filter mode, and the other is the complex and comprehensive RBAC mode, I want to talk about the first set here (because I just learned it ). If you have studied the

1. iterate the row of the fileCopy codeThe Code is as follows:Public static IEnumerable ReadLines (string fileName){Using (TextReader reader = File. OpenText (fileName )){String line;If (line = reader. ReadLine ())! = Null){Yield return

PHP itself does not have multithreading, but it can produce the same effect by means of curves. For example, the asynchronous calling of multi-process mode is limited to the command mode.In addition, a simpler method can be used in Web programs,

Copy codeThe Code is as follows: QR code generation -www.ibtf.net $ Content = $ _ GET ['content'];$ Width = $ _ GET ['width']? $ _ GET ['width']: 300;$ Height = $ _ GET ['height']? $ _ GET ['height']: 300;If ($ content ){Echo "the text you entered

----------------------------------------------------------- Regular Expression collectionMobile phone number:$ Mode = "/^ 1 [358] \ d {9 }/";Email Address:$ Mode = "/^ [a-z] [-_ \.]? [A-z \ d] * @ [a-z0-9] + [\.] [a-z] {2, 4}/I ";--------------------

Let's talk about two methods:1) define a string variable to save the list of files to be loaded. Then foreach loads. Copy codeThe Code is as follows:$ A = '/a. class. php;/Util/B. class. php;/Util/c. class. php ';$ B = '/d. php;/e. class. php;/f.

The + operator appends elements of remaining keys from the right handed array to the left handed, whereas duplicated keys are NOT overwritten.I only know this when I read php manual again today.Copy codeThe Code is as follows:$ A = array ("a" =>

Copy codeThe Code is as follows:/************ By garcon1986 *********/// Difference between print and echo:// 1. echo can input multiple strings, but print cannot.Print "hello". "world"; // succeededEcho "hello". "world"; // success// Print "hello",

The following is a detailed explanation :///\\\String urlencode (string str)Returns a string -_. all other non-alphanumeric characters will be replaced with a semicolon (%) followed by two hexadecimal numbers, and spaces will be encoded as the plus

Copy codeThe Code is as follows:$ Memcached = array (// use the memcached multi-process to simulate multiple memcached servers. The cn en is the name of the memory server.'Cn' => array ('192. 168.254.144 ', 192 ),'En' => array ('192. 168.254.144 ', 1

Common 20 variable operators in smarty * use Syntax: {variable name | Operator :}* Capitalize --- uppercase letters* Count_characters --- calculates the number of characters* Cat --- connection string* Count_paragraphs --- calculate the number of

Php obtains the first letter of Chinese pinyinCopy codeThe Code is as follows:Function getinitial ($ str){$ Asc = ord (substr ($ str, 0, 1 ));If ($ asc {If ($ asc >=48 & $ asc Return '1'; // number} Elseif ($ asc >=65 & $ asc Return chr ($ asc); //

Example. xml file:Copy codeThe Code is as follows:$ Xml = simplexml_load_file ('example. xml'); // create a SimpleXML objectPrint_r ($ xml); // output XML?>Copy codeThe Code is as follows: production support 100001 Simon 24 1982-11-06 5000.00 1

Read this http://www.jb51.net/article/16244.htm firstNext, we will describe this framework step by step.First, download the framework:Official homepage: http://cakephp.org/: Http://cakeforge.org/frs? Group_id = 23 & release_id = 428.Official

In my experience, I think the file structure in the following columns is optimal:----------------------------------------------------------------------File Extension:. phpEmail = ask4more@13.net & nickname = redfox & realname = Ding & url =