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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 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

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

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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

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Variables are a very important type of PHP, we have data through variables or constants to operate, the following to see the variable reference and variable destruction bar, the need for friends can refer to the next PHP variable reference and

Gettype: Get the type of the variable.Intval: convert a variable to an integer.Doubleval: convert a variable to a Double Floating Point.Empty: determines whether the variable is configured.Is_array: determines whether the variable type is an array