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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
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
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
#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,
a more comprehensive set of PHP tutorials , basic video and some small combat projects, below is the video directoryCD-ROM (i) \php employment Class (I.)CD-ROM (i) \php Technical exchange zone. URLCD-ROM (i) \ "Wisdom Special issue" belongs to it
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 variable definition, variable, variable reference, and destruction method
This article mainly introduces the definition of PHP variables, variable variables, variable references, and destruction methods. For more information, see
The Code is as
This article mainly introduces the definition of PHP variables, variable variables, variable references, and destruction methods. For more information, see
The code is as follows:
$ Long = "big_long_variable_name ";
$ Long = "PHP";/* use the
This article mainly introduces the definition of PHP variables, variable variables, variable references, and destruction methods. For more information, see
The code is as follows:
$ Long = "big_long_variable_name ";$ Long = "PHP";/* use the
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