is_int Find whether the type of a variable is integer &reftitle.description; boolis_int mixedvar Finds whether the type of the given variable is integer. To test if a variable is a number or a numeric string (such as form input, which is always a string), you must use is_numeric. &reftitle.parameters; var The variable being evaluated. &reftitle.returnvalues; Returns &true; if var is an integer, &false; otherwise. &reftitle.examples; ]]> &example.outputs; &reftitle.seealso; is_bool is_float is_numeric is_string is_array is_object