/**
* Validate the given field.
*
* If the field validates, this function will store it in the provided conifguration
* module and key.
*
* @param string $fieldname Name of field (provided to the render functions)
* @param string $modulename Module name to store the field in.
* @param string $modulekey Module key
* @param string $type Validation patthern: (bool,safe,float,int,email,regex)
* @param string $required Optional required flag. Defaults to true.
* @param string $pattern If $type is 'regex' the regex pattern to use.
* @return bool Returns true if the field was stored in the config database.
*/
function validate_field($fieldname, $modulename, $modulekey, $type, $required = true, $pattern = '')
{
global $errorfields, $lang;
$value = getvalescaped($fieldname, '');
if ($value == '' && $required == true) {
$errorfields[$fieldname] = $lang['cfg-err-fieldrequired'];
return false;
} elseif ($value == '' && $required == false) {
set_module_config_key($modulename, $modulekey, $value);
} else {
switch ($type) {
case 'safe':
if (!preg_match('/^.+$/', $value)) {
$errorfields[$fieldname] = $lang['cfg-err-fieldsafe'];
return false;
}
break;
case 'float':
if (!preg_match('/^[\\d]+(\\.[\\d]*)?$/', $value)) {
$errorfields[$fieldname] = $lang['cfg-err-fieldnumeric'];
return false;
}
break;
case 'int':
if (!preg_match('/^[\\d]+$/', $value)) {
$errorfields[$fieldname] = $lang['cfg-err-fieldnumeric'];
return false;
}
break;
case 'email':
if (!preg_match('/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}$/i', $value)) {
$errorfields[$fieldname] = $lang['cfg-err-fieldemail'];
return false;
}
break;
case 'regex':
if (!preg_match($pattern, $value)) {
$errorfields[$fieldname] = $lang['cfg-err-fieldsafe'];
return false;
}
break;
case 'bool':
if (strtolower($value) == 'true') {
$value = true;
} elseif (strtolower($value) == 'false') {
$value = false;
} else {
$errorfields[$fieldname] = $lang['cfg-err-fieldsafe'];
return false;
}
break;
}
set_module_config_key($modulename, $modulekey, $value);
return true;
}
}
function default_module_config_key($module_name, $module_key, $def_value)
{
global $direct, $cli;
$output = '';
$output .= "Checking: {$module_name}: {$module_key} ";
if (get_module_config_key($module_name, $module_key) !== null) {
$output .= '(OK)';
} else {
set_module_config_key($module_name, $module_key, $def_value);
$output .= '(UPDATED)';
}
$output .= $cli ? "\r\n" : '<br />';
if ($direct) {
echo $output;
}
}