diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/language/english/form_validation_lang.php | 1 | ||||
| -rw-r--r-- | system/libraries/Form_validation.php | 25 |
2 files changed, 26 insertions, 0 deletions
diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php index aa9ff330b..357f747ce 100644 --- a/system/language/english/form_validation_lang.php +++ b/system/language/english/form_validation_lang.php @@ -43,6 +43,7 @@ $lang['form_validation_valid_email'] = 'The {field} field must contain a valid $lang['form_validation_valid_emails'] = 'The {field} field must contain all valid email addresses.'; $lang['form_validation_valid_url'] = 'The {field} field must contain a valid URL.'; $lang['form_validation_valid_ip'] = 'The {field} field must contain a valid IP.'; +$lang['form_validation_valid_mac'] = 'The {field} field must contain a valid MAC.'; $lang['form_validation_min_length'] = 'The {field} field must be at least {param} characters in length.'; $lang['form_validation_max_length'] = 'The {field} field cannot exceed {param} characters in length.'; $lang['form_validation_exact_length'] = 'The {field} field must be exactly {param} characters in length.'; diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php index 6f654deb4..11f98f2a9 100644 --- a/system/libraries/Form_validation.php +++ b/system/libraries/Form_validation.php @@ -1284,6 +1284,31 @@ class CI_Form_validation { // -------------------------------------------------------------------- /** + * Validate MAC address + * + * @param string $mac + * @return bool + */ + public function valid_mac($mac) + { + if ( ! is_php('5.5')) + { + // Most common format, with either dash or colon delimiters + if (preg_match('#\A[0-9a-f]{2}(?<delimiter>[:-])([0-9a-f]{2}((?P=delimiter)|\z)){5}#i', $mac)) + { + return TRUE; + } + + // The less common format; e.g. 0123.4567.89ab + return (bool) preg_match('#((\A|\.)[0-9a-f]{4}){3}\z#i', $mac); + } + + return (bool) filter_var($mac, FILTER_VALIDATE_MAC); + } + + // -------------------------------------------------------------------- + + /** * Alpha * * @param string |