how to use define

 The const usage is primarily to prevent the defined object from being modified again, to initialize the variable when defining the object variableLet me explain some common uses1. Used to define a constant variable so that the variable can no

Summary:Slowly began to use modular programming, learning to use define,require this kind of things. The first use of simply feel that the page load will immediately request loading all the files will affect the speed, the later use of the discovery,

The difference between define () and const in php is described in detail. In php, both define () and const () can define constants. So what is the difference between define () and const? many programmers do not understand this, next I will introduce

Some common definitions of static constants in php. 1. define the CONSTANT define ("CONSTANT", "Hello world ."); Constants can only contain scalar data (boolean, integer, float, and string ). When calling a CONSTANT, you only need to obtain the

Php Annotation specification @ access Usage scope: class, function, var, define, module Indicates the access permission for a keyword: private, public, or proteced. @ Author Specify author @ Copyright Usage scope: class, function, var, define,

Chinese display of jpGraph .... I read a post here two days ago... With JPGRAPH, I think it is really very practical. it really saves us a lot of effort in graph statistics, so I 've been trying it for a long time. later I read a post here two days

You may already be a veteran of PHP and have written a lot of very good code. However, if you want to add them to your current project, is it difficult? Your friend wants to use your code as a module in his project, but you find that you have used a

I have been playing with php for a while. It basically started with from & nbsp; 0 and often encountered many problems. I am able to query documents more skillfully. besides, I have less experience. & Nbsp; look & nbsp; here. : & Nbsp;

PHP learning Notes 1-constant, function constant: use const (php5) declaration, can only be assigned once, php5 and earlier versions use define; 1 & lt ;? Php2constTHE_VALUE100; const3echoTHE_VALUE; 45 define (THE_VALUE, 200) in PHP5; earlier

Copy CodeThe code is as follows: /* Data types convert to and from each other* One is a cast* SETTYPE (variable, type); Int,integer,float,double and so on.* This function changes the type of the original variable, using Var_dump (); You can view

This article mainly and you introduced the PHP constants and variables examples of the relevant information, the need for friends can refer to, hope to help everyone. Examples of constants and variables in PHP "PHP receives parameters under

Php variables are a weak type. we can perform fast conversion after each data type. The following describes the examples of php variables and constants, I hope these examples will help you learn php. PHP is a weak language. in PHP, there are four

For more information about the conversion between data types learned by php, see. The code is as follows: /* Data types are converted to each other* Forced conversion* SetType (variable, type); // int, integer, float, double, and so on.* This

This is a creation in Article, where the information may have evolved or changed. Dictionaries are the associated data types built into the go language. Because the array is an index corresponding to an array element, the dictionary is the key

PEAR introduction: Use PEAR to write your next php program. Pear introduction: Use pear to write your next php program content: What is pear? why is pear used? What benefits does pear bring to me? Pear Encoding Rules Pear introduction: Use pear to

In php, both define () and const () can define constants. So what is the difference between define () and const? many programmers do not understand this, I will introduce you In php, both define () and const () can define constants. So what is the

PHP Comment Tags @access Scope of Use: Class,function,var,define,module The tag is used to indicate access rights for the keyword: private, public, or proteced @author Specify the author @copyright Scope of Use:

The following code describes the conversion between data types learned by php: /* Data types are converted to each other * Forced conversion * SetType (variable, type); // int, integer, float, double, and so on. * This function changes the type of

The purpose is to provide a dynamic access and setting of database connections by accessing the configuration file by Universal class, so as to provide flexible, simplified and decoupled operation mode for both development and production

This article mainly introduces the PHP Access database configuration Common method (JSON), has a certain reference value, now share to everyone, the need for friends can refer to The purpose is to provide a dynamic access and setting of database