value; if(!is_array($parts)) $parts = explode("\n", chunk_split($parts,4,"\n")); $parts = array_pad($parts, 4, ""); // TODO Mark as disabled/readonly $field = "name}_Holder\" class=\"creditCardField\">" . "name}[0]\" value=\"$parts[0]\" maxlength=\"4\"" . $this->getTabIndexHTML(0) . " /> - " . "name}[1]\" value=\"$parts[1]\" maxlength=\"4\"" . $this->getTabIndexHTML(1) . " /> - " . "name}[2]\" value=\"$parts[2]\" maxlength=\"4\"" . $this->getTabIndexHTML(2) . " /> - " . "name}[3]\" value=\"$parts[3]\" maxlength=\"4\"" . $this->getTabIndexHTML(3) . " />"; return $field; } /** * Get tabindex HTML string * * @param int $increment Increase current tabindex by this value * @return string */ protected function getTabIndexHTML($increment = 0) { $tabIndex = (int)$this->getAttribute('tabindex') + (int)$increment; return (is_numeric($tabIndex)) ? ' tabindex = "' . $tabIndex . '"' : ''; } public function dataValue() { if(is_array($this->value)) return implode("", $this->value); else return $this->value; } public function validate($validator){ // If the field is empty then don't return an invalidation message if(!trim(implode("", $this->value))) return true; $i=0; if($this->value) foreach($this->value as $part){ if(!$part || !(strlen($part) == 4) || !preg_match("/([0-9]{4})/", $part)){ switch($i){ case 0: $number = _t('CreditCardField.FIRST', 'first'); break; case 1: $number = _t('CreditCardField.SECOND', 'second'); break; case 2: $number = _t('CreditCardField.THIRD', 'third'); break; case 3: $number = _t('CreditCardField.FOURTH', 'fourth'); break; } $validator->validationError( $this->name, _t( 'Form.VALIDATIONCREDITNUMBER', "Please ensure you have entered the {number} credit card number correctly", array('number' => $number) ), "validation", false ); return false; } $i++; } } }