variable of variable in php

Analysis of variable reference and variable destruction mechanism in PHP, PHP destruction This paper analyzes the variable reference and the mechanism of variable destruction in PHP. Share to everyone for your reference. The specific analysis is as

#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,

In this paper, we analyze the mechanism of variable reference and variable destruction in PHP. Share to everyone for your reference. The specific analysis is as follows: Variable is a very important type in PHP, we have data through variables or

In PHP, the symbol "&" represents a reference. 1, see what does not refer to this: $a   = "Hello world";//define a variable, the following assignment to $b $b = $a;//This step does not precede $a with a symbol Like this "$b = & $a". No Plus, in

Answer the question in the previous section first. 01 02 $foo= 10; 03 $bar= 20; 04   05

Analysis of variable reference and destruction mechanism in PHP, and destruction of php. Analysis of variable reference and destruction mechanism in PHP. php destruction examples in this article analyze the variable reference and destruction

Php variables are described in detail. Php variables are used to store information. syntax for defining a variable: $ variable name value. example of using a variable :? Php $ x5; $ y6; $ z $ x + $ y; echo $ z ;? Php variables A variable is a

PHP variable definition, variable, variable reference, and destruction method. Copy the code as follows :? Php $ longbig_long_variable_name; $ longPHP; * Use a string stored in the variable $ long as the variable name of the new variable, equivalent

Php pre-defined variable help (with instance ). From php4.1.0, the preferred method for getting external variables is to use the Superglobal variables mentioned below. Prior to this, people were either dependent on register_globals, or long

PHP beginners learn variables and constants. In a change process, the constant volume is called a constant, while the variable is a sequential storage space with a name. The following describes the constant amount of the base of PHP variables and