public function test_empty_string()
{
$str = '';
$trimmed = '';
$this->assertEquals($trimmed, utf8\trim($str));
}
/**
* Required
*
* @param string
* @return bool
*/
public function required($str)
{
if (!is_array($str)) {
return utf8\trim($str) == '' ? FALSE : TRUE;
} else {
return !empty($str);
}
}
/**
* Valid Emails
*
* @param string
* @return bool
*/
function emails($str)
{
if (strpos($str, ',') === FALSE) {
return $this->valid_email(utf8\trim($str));
}
foreach (explode(',', $str) as $email) {
if (utf8\trim($email) != '' && $this->valid_email(utf8\trim($email)) === FALSE) {
return FALSE;
}
}
return TRUE;
}