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is_float	is_integer

	Last updated: Thu, 26 Jun 2008

is_int

(PHP 4, PHP 5)

is_int — Find whether the type of a variable is integer

Description

bool is_int ( mixed $var )

Finds whether the type of the given variable is integer.

Note: 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().

Parameters

var: The variable being evaluated.

Return Values

Returns TRUE if var is an integer, FALSE otherwise.

Examples

Example #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));

?>

The above example will output:

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

is_int

Description

Parameters

Return Values

Examples

See Also