is_float
is_integer
Variable handling Funkcje
PHP Manual

# is_int

(PHP 4, PHP 5)

is_int — Find whether the type of a variable is integer

### Opis

bool is_int ( mixed `$var` )

Finds whether the type of the given variable is integer.

> Informacja: 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().

### Parametry

`var`

  The variable being evaluated.

### Zwracane wartości

Returns `TRUE` if `var` is an integer, `FALSE` otherwise.

### Przykłady

Przykład #1 is_int() example

`<?php
if (is_int(23)) {
echo "is integer\n";
} else {
echo "is not an integer\n";
}
var_dump(is_int(23));
var_dump(is_int("23"));
var_dump(is_int(23.5));
var_dump(is_int(true));
?>`

Powyższy przykład wyświetli:

    is integer
    bool(true)
    bool(false)
    bool(false)
    bool(false)

### Zobacz też:

- is_bool() - Finds out whether a variable is a boolean
- is_float() - Finds whether the type of a variable is float
- is_numeric() - Finds whether a variable is a number or a numeric string
- is_string() - Find whether the type of a variable is string
- is_array() - Finds whether a variable is an array
- is_object() - Finds whether a variable is an object

is_float
is_integer
Variable handling Funkcje
PHP Manual