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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