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| class Validate_fields {
var $fields = array();
var $messages = array();
var $check_4html = false;
var $language;
function Validate_fields() {
$this->language = "uk";
$this->create_msg();
}
function validation() {
$status = 0;
foreach ($this->fields as $key => $val) {
switch ($val['type']) {
case "email":
if (!$this->check_email($val['value'], $key, $val['required'])) {
$status++;
}
break;
case "number":
if (!$this->check_num_val($val['value'], $key, $val['length'], $val['required'])) {
$status++;
}
break;
case "choix":
if (!$this->check_num_val($val['value'], $key, $val['length'], $val['required'])) {
$status++;
}
break;
case "decimal":
if (!$this->check_decimal($val['value'], $key, $val['decimals'], $val['required'])) {
$status++;
}
break;
case "date":
if (!$this->check_date($val['value'], $key, $val['version'], $val['required'])) {
$status++;
}
break;
case "url":
if (!$this->check_url($val['value'], $key, $val['required'])) {
$status++;
}
break;
case "text":
if (!$this->check_text($val['value'], $key, $val['length'], $val['required'])) {
$status++;
}
break;
case "checkbox":
case "radio":
if (!$this->check_check_box($val['value'], $key, $val['element'])) {
$status++;
}
}
if ($this->check_4html) {
if (!$this->check_html_tags($val['value'], $key)) {
$status++;
}
}
}
if ($status == 0) {
return true;
} else {
$this->messages[] = $this->error_text(0);
return false;
}
}
function add_text_field($name, $val, $type = "text", $required = "y", $length = 0) {
$this->fields[$name]['value'] = $val;
$this->fields[$name]['type'] = $type;
$this->fields[$name]['required'] = $required;
$this->fields[$name]['length'] = $length;
}
function add_num_field($name, $val, $type = "number", $required = "y", $decimals = 0, $length = 0) {
$this->fields[$name]['value'] = $val;
$this->fields[$name]['type'] = $type;
$this->fields[$name]['required'] = $required;
$this->fields[$name]['decimals'] = $decimals;
$this->fields[$name]['length'] = $length;
}
function add_link_field($name, $val, $type = "email", $required = "y") {
$this->fields[$name]['value'] = $val;
$this->fields[$name]['type'] = $type;
$this->fields[$name]['required'] = $required;
}
function add_date_field($name, $val, $type = "date", $version = "us", $required = "y") {
$this->fields[$name]['value'] = $val;
$this->fields[$name]['type'] = $type;
$this->fields[$name]['version'] = $version;
$this->fields[$name]['required'] = $required;
}
function add_check_box($name, $element_name, $type = "checkbox", $required_value = "") {
$this->fields[$name]['value'] = $required_value;
$this->fields[$name]['type'] = $type;
$this->fields[$name]['element'] = $element_name;
}
function check_url($url_val, $field, $req = "y") {
if ($url_val == "") {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true;
}
} else {
$url_pattern = "http\:\/\/[[:alnum:]\-\.]+(\.[[:alpha:]]{2,4})+";
$url_pattern .= "(\/[\w\-]+)*"; // folders like /val_1/45/
$url_pattern .= "((\/[\w\-\.]+\.[[:alnum:]]{2,4})?"; // filename like index.html
$url_pattern .= "|"; // end with filename or ?
$url_pattern .= "\/?)"; // trailing slash or not
$error_count = 0;
if (strpos($url_val, "?")) {
$url_parts = explode("?", $url_val);
if (!preg_match("/^".$url_pattern."$/", $url_parts[0])) {
$error_count++;
}
if (!preg_match("/^(&?[\w\-]+=\w*)+$/", $url_parts[1])) {
$error_count++;
}
} else {
if (!preg_match("/^".$url_pattern."$/", $url_val)) {
$error_count++;
}
}
if ($error_count > 0) {
$this->messages[] = $this->error_text(14, $field);
return false;
} else {
return true;
}
}
}
function check_num_val($num_val, $field, $num_len = 0, $req = "n") {
if ($num_val == "") {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true;
}
} else {
$pattern = ($num_len == 0) ? "/^\-?[0-9]*$/" : "/^\-?[0-9]{0,".$num_len."}$/";
if (preg_match($pattern, $num_val)) {
return true;
} else {
$this->messages[] = $this->error_text(12, $field);
return false;
}
}
}
function check_text($text_val, $field, $text_len = 0, $req = "y") {
if (empty($text_val)) {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true; // in case only the text length is validated
}
} else {
if ($text_len > 0) {
if (strlen($text_val) > $text_len) {
$this->messages[] = $this->error_text(13, $field);
return false;
} else {
return true;
}
} else {
return true;
}
}
}
function check_check_box($req_value, $field, $element) {
if (empty($_REQUEST[$element])) {
$this->messages[] = $this->error_text(12, $field);
return false;
} else {
if (!empty($req_value)) {
if ($req_value != $_REQUEST[$element]) {
$this->messages[] = $this->error_text(12, $field);
return false;
} else {
return true;
}
} else {
return true;
}
}
}
function check_decimal($dec_val, $field, $decimals = 2, $req = "n") {
if ($dec_val == "") {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true;
}
} else {
$pattern = "/^[-]*[0-9][0-9]*\.[0-9]{".$decimals."}$/";
if (preg_match($pattern, $dec_val)) {
return true;
} else {
$this->messages[] = $this->error_text(12, $field);
return false;
}
}
}
function check_date($date, $field, $version = "us", $req = "n") {
if ($date == "") {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true;
}
} else {
if ($version == "eu") {
$pattern = "/^(0[1-9]|[1-2][0-9]|3[0-1])[-](0[1-9]|1[0-2])[-](19|20)[0-9]{2}$/";
} else {
$pattern = "/^(19|20)[0-9]{2}[-](0[1-9]|1[0-2])[-](0[1-9]|[1-2][0-9]|3[0-1])$/";
}
if (preg_match($pattern, $date)) {
return true;
} else {
$this->messages[] = $this->error_text(10, $field);
return false;
}
}
}
function check_email($mail_address, $field, $req = "y") {
if ($mail_address == "") {
if ($req == "y") {
$this->messages[] = $this->error_text(1, $field);
return false;
} else {
return true;
}
} else {
if (preg_match("/^[0-9a-z]+(([\.\-_])[0-9a-z]+)*@[0-9a-z]+(([\.\-])[0-9a-z-]+)*\.[a-z]{2,4}$/i", $mail_address)) {
return true;
} else {
$this->messages[] = $this->error_text(11, $field);
return false;
}
}
}
function check_html_tags($value, $field) {
if (preg_match("/<[a-z]+(\s[a-z]{2,}=['\"]?(.*)['\"]?)+(\s?\/)?>(<\/[a-z]>)?/i", $value)) {
$this->messages[] = $this->error_text(15, $field);
return false;
} else {
return true;
}
}
function create_msg($break_elem = "<br />") {
$the_msg = "";
asort($this->messages);
reset($this->messages);
foreach ($this->messages as $value) {
$the_msg .= $value.$break_elem."\n";
}
return $the_msg;
}
function error_text($num, $fieldname = "") {
$fieldname = str_replace("_", " ", $fieldname);
switch ($this->language) {
case "fr":
$msg[0] = "Por favor corrija los siguientes errores:";
$msg[1] = "El campo <b>".$fieldname."</b> está vacío.";
$msg[10] = "La fecha del campo <b>".$fieldname."</b> no es válida.";
$msg[11] = "La dirección de correo electrónico del campo <b>".$fieldname."</b> no es válida.";
$msg[12] = "El valor en el campo <b>".$fieldname."</b> no es válido.";
$msg[13] = "El texto en el campo <b>".$fieldname."</b> es demasiado largo.";
$msg[14] = "La URL en el campo <b>".$fieldname."</b> no es válida.";
$msg[15] = "Hay código HTML en el campo <b>".$fieldname."</b>, esto no está permitido.";
break;
default:
$msg[0] = "Please correct the following error(s):";
$msg[1] = "The field <b>".$fieldname."</b> is empty.";
$msg[10] = "The date in field <b>".$fieldname."</b> is not valid.";
$msg[11] = "The e-mail address in field <b>".$fieldname."</b> is not valid.";
$msg[12] = "The value in field <b>".$fieldname."</b> is not valid.";
$msg[13] = "The text in field <b>".$fieldname."</b> is too long.";
$msg[14] = "The url in field <b>".$fieldname."</b> is not valid.";
$msg[15] = "There is html code in field <b>".$fieldname."</b>, this is not allowed.";
}
return $msg[$num];
}
} |
