How to use php is_int function

php is_int function is used to detect whether a variable is an integer. Its syntax is bool is_int (mixed $var). The parameter var allows any parameter to be passed in.

#How to use php is_int function?

Definition and usage

is_int() — Check whether a variable is an integer

Syntax

bool is_int ( mixed $var )

If var is an integer, return TRUE, otherwise return FALSE.

Parameter var allows passing in any parameters.

Return value: TRUE if var is an integer, otherwise FALSE.

PHP Version: PHP 4, PHP 5, PHP 7

Example

<?php
$Temperature = 12;
if(is_int($Temperature)){
    print("参数是整型");
}else{
    print("参数不是整型");
}
?>

Output:

参数是整型

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