/**
* @dataProvider providerIsNatural
*/
public function testIsNatural($value, $expected) {
$result = Numbers::isNatural($value);
$this->assertEquals($expected, $result, "Given: {$value}; Result: ".var_export($result, true));
}
/**
* Checks if a value is a natural number excluding zero (e.q. an ID).
*
* Returns true if and only if the value is a valid natural number excluding the zero.
*
* @see Numbers::isNatural()
* @param mixed Value to check
* @return boolean
*/
public static function naturalNumber($value, $optional) {
if (Numbers::isNatural($value) == true) {
return true;
}
else {
self::setError(self::ERROR_NATURALNUMBER);
return false;
}
}
/**
* Returns the ID used in the last INSERT query.
*
* null is returned on failure or when there was no last INSERT query.
*
* @return int ID or null
*/
public function insertID() {
$id = mysql_insert_id($this->connection);
return Numbers::isNatural($id) ? $id : null;
}
