tag for the form field object. * @param mixed $value The form field value to validate. * @param string $group The field name group control value. This acts as as an array container for the field. * For example if the field has name="foo" and the group value is set to "bar" then the * full field name would end up being "bar[foo]". * @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form. * @param JForm $form The form object for which the field is being tested. * * @return boolean True if the value is valid, false otherwise. * * @since 11.1 */ public function test(SimpleXMLElement $element, $value, $group = null, JRegistry $input = null, JForm $form = null) { // If the field is empty and not required, the field is valid. $required = ((string) $element['required'] == 'true' || (string) $element['required'] == 'required'); if (!$required && empty($value)) { return true; } /* * @see http://www.nanpa.com/ * @see http://tools.ietf.org/html/rfc4933 * @see http://www.itu.int/rec/T-REC-E.164/en * * Regex by Steve Levithan * @see http://blog.stevenlevithan.com/archives/validate-phone-number * @note that valid ITU-T and EPP must begin with +. */ $regexarray = array('NANP' => '/^(?:\+?1[-. ]?)?\(?([2-9][0-8][0-9])\)?[-. ]?([2-9][0-9]{2})[-. ]?([0-9]{4})$/', 'ITU-T' => '/^\+(?:[0-9] ?){6,14}[0-9]$/', 'EPP' => '/^\+[0-9]{1,3}\.[0-9]{4,14}(?:x.+)?$/'); if (isset($element['plan'])) { $plan = (string) $element['plan']; if ($plan == 'northamerica' || $plan == 'us') { $plan = 'NANP'; } elseif ($plan == 'International' || $plan == 'int' || $plan == 'missdn' || !$plan) { $plan = 'ITU-T'; } elseif ($plan == 'IETF') { $plan = 'EPP'; } $regex = $regexarray[$plan]; // Test the value against the regular expression. if (preg_match($regex, $value) == false) { return false; } } else { /* * If the rule is set but no plan is selected just check that there are between * 7 and 15 digits inclusive and no illegal characters (but common number separators * are allowed). */ $cleanvalue = preg_replace('/[+. \-(\)]/', '', $value); $regex = '/^[0-9]{7,15}?$/'; if (preg_match($regex, $cleanvalue) == true) { return true; } else { return false; } } return true; } }