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This article shares the differences between $globals and global in the hyper-global variables in PHP.
First, super global variable $globalsThere are many PHP hyper-global variables, such as the following are the Hyper global Variables (superglobal):
Php global variables, which are defined by php global variables. Php global variables, php global variables define PHP global variables PHP pre-defines several Super global variables (superglobals), which means that they can use php global variables
Php array declaration, traversal, array global variables. Php Tutorial array declaration, traversal, array global variable [php]? ** 1. Array Overview * 1. the essence of arrays: managing and operating a group of variables, batch processing * 2.
What is a global variable?
A global variable , also known as an external variable, is defined outside the function and is scoped to the end of the program file, starting at the definition of the variable. Unlike other programming languages, global
What is a Hyper global variable
Many of the predefined variables in PHP are "hyper-global", which means they are available in all scopes of a script. There is no need to perform a global $variable in a function or method; You can access
Global is a global variable in php. This global is only a global variable on the page. For example, we can directly use the global declaration in the function to obtain the value of the variable.
Example
The Code is as follows:
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Global variables and "global" keywordsPHP defines some "Superglobals" variables by default. These variables are automatically merged and can bePrograms are called anywhere, such as $ _ GET and $ _ REQUEST. They generally come from data or other
PHP pre-defined variable 9 Super Global array usage details, global array. PHP pre-defined variables 9: Usage of ultra-Global Arrays. Global Arrays 1 and $ _ SERVER Super global variables contain information created by the web SERVER, it provides
#一, PHP variable definition: Variables are used to store values, such as numbers, text strings or arrays, V: string/integer/double/array/object
Naming rules:
1. The variable name of PHP is case-sensitive. 2. The variable name must begin with $3,
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