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This article mainly introduces "whether the phprh judgment value is the int type". In the daily operation, I believe that many people have doubts about whether the phprh judgment value is the int type. The editor consulted all kinds of data and sorted out a simple and easy-to-use operation method, hoping to help you answer the doubt that "the phprh judgment value is the int type". Next, please follow the editor to study!

Php to determine whether the value is int type method: 1, use is_int () function, this function is used to detect whether the variable is an integer, syntax "is_int ($var)"; 2, use is_numeric () function, syntax "is_numeric ($var)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php determines whether the value is of int type (integer)

Method 1: use the is_int () function

The is_int () function is used to detect whether a variable is an integer. Returns TRUE if the specified value is an integer, FALSE otherwise.

Method 2: use the is_numeric () function

The is_numeric () function is used to detect whether a variable is a number or a numeric string.

Note: the difference between the two functions, when the variable is a numeric string such as'1'

The return value of is_int () is false

The return value of is_numeric () is true

At this point, the study of "phprh judgment value is not int type" is over. I hope to be able to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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