define constant

First, define define constant issues                        Direct use of "DATABASE" constant, represents "MYSQL".                 $arr = array (' Fruit ' => ' apple ', ' veggie ' => ' carrot ');                define (' fruit ', ' veggie ');      

A static member of a class differs from a general class member: A static member is independent of an instance of an object, and is related only to the class itself. They are used to implement the functionality and data that a class encapsulates, but

Tutorials | Sample |ajax Ajax is undoubtedly one of the hottest web development technologies to fry in the 2005, and of course, this credit is inseparable from Google. I am just an ordinary developer, the use of Ajax is not very much, I simply put

Beginner 2.PHP Beginners The online tutorials on the PHP site have been great. There are also links to some other tutorials. This section of this article will give you a bit of familiarity with PHP. I can not do without any omission, my purpose is

The principle of sub-classification technology: To get the original window procedure address, record it, and then set all the messages are transferred to the message we write process, we filter the message sent over to find a specific message for

. Represents the string addition, and in Java. $ as a prefix for variables, in addition, the variable name definition rules with Java parameter passing and method return simultaneous reference need to prefix &Example code:function f (& $a)

Single quote echo ' direct output variable name 'echo ' $a '; Output $ ADouble quote echo "Direct output variable"echo "$a"; Output $ A variableOne kanji represents three stringsFirst scenario: Double quotation marks are embedded in single

First, the process of the program starts with the entry file index.php.The index.php process is as follows: 1. Force the output character set to UTF82. Define constant Environment (development,testing,production)3. Determine the environment

PHP is a weak language, and variables are identified by the beginning of the $;You do not need to declare the data type of the variable;Boolean typeTrue,false (true,false) is case insensitiveWhen echo outputs True value, it is 1False value, do not

"Swift is a new programming language for writing Ios,os X and watchOS applications. Swift combines the advantages of C and objective-c and is not limited by C compatibility. Swift uses a secure programming model and adds a lot of new features, which

Discussion: How to use PhpDocumentor to generate documents. Command line method: enter phpdoc-h in the directory where phpDocumentor is located to obtain a detailed parameter table. The following are several important parameters:-f: name of the file

Php file comment mark and standard summary. PHP annotation Mark @ access usage range: class, function, var, define, module this mark is used to specify the access permission for the keyword: private, public or proteced @ author specify the author @

PHP learning variable usage summary. 1. define the CONSTANT define (CONSTANT, Helloworld.); a CONSTANT can only contain scalar data (boolean, integer, float, and string ). When calling a constant, you only need to obtain the constant by name. 1.

Conversion between data types in php learning. The copy code is as follows: * conversion between data types * forced conversion * setType (variable, type); int, integer, float, double, and so on. * This function changes the type of the original

Section 7: static members of a class. * + Tips + | this document uses Haohappy to read CorePHPProgramming | the notes in chapter ClassesandObjects in | translated mainly + individual /* + --------------------------------------------------------------

PHP pre-defines several constants and provides a mechanism to define them at runtime. Constants and variables are basically the same. The difference is that constants must be defined using the DEFINE function. once a constant is defined, it cannot

PHPDocumentor is a tool written in PHP. for php programs with standardized annotations, it can quickly generate API documents with functions such as mutual reference and indexing. 1. what is phpbench entor? PHPDocumentor is a tool written in PHP.

PHPDocumentor is a tool written in PHP. for php programs with standardized annotations, it can quickly generate API documents with functions such as mutual reference and indexing. The old version is phpdoc. 1. what is phpbench entor? PHPDocumentor

Section 7 static members [7]. Static members of a class are different from general class members: static members are irrelevant to the instance of the object and only related to the class itself. they are used to implement the functions and data to

Static members such as deep exploration of HP5.0 object models. Static members of a class are different from general class members: static members are irrelevant to the instance of the object and only related to the class itself. They are used to