is_int

is_int

Find whether the type of a variable is integer

bool **is_int** mixed $value

Finds whether the type of the given variable is integer.

Opmerking: > 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

valueThe variable being evaluated.

Returns true if is an , false otherwise. value``int

Voorbeeld: example

<?php
$values = array(23, "23", 23.5, "23.5", null, true, false);
foreach ($values as $value) {
    echo "is_int(";
    var_export($value);
    echo ") = ";
    var_dump(is_int($value));
}
?>

is_int(23) = bool(true)
is_int('23') = bool(false)
is_int(23.5) = bool(false)
is_int('23.5') = bool(false)
is_int(NULL) = bool(false)
is_int(true) = bool(false)
is_int(false) = bool(false)

is_bool``is_float``is_numeric``is_string``is_array``is_object