/**
* This checks if the specified text is a valid HTTP url. It should start with http:// and it should have at
* least one dot in there.
*
* @param $val The value to test.
* @param $opts (not required)
* @param $formelement (not required)
*/
function httpurl($val, $opts = array(), $formelement = null)
{
// Return true if empty
if (empty($val)) {
return true;
}
// Convert to lowercase and trim
$val = strtolower(trim($val));
// Check lenght
if (strlen($val) > 255) {
return false;
}
// Add http:// if needed
if (substr($val, 0, 7) != 'http://' && substr($val, 0, 8) != 'https://') {
$val = 'http://' . $val;
}
// Compute expression
$expression = '/^(https?:\\/\\/)' . '?(([0-9a-z_!~*\'().&=+$%-]+:)?[0-9a-z_!~*\'().&=+$%-]+@)?' . '(([0-9]{1,3}\\.){3}[0-9]{1,3}' . '|' . '([0-9a-z_!~*\'()-]+\\.)*' . '([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\\.' . '[a-z]{2,6}' . '|' . 'localhost)' . '(:[0-9]{1,5})?' . '((\\/?)|' . '(\\/[0-9a-z_!~*\'().;?:@&=+$,%#-]+)+\\/?)$/';
return YDValidateRules::regex($val, $expression);
}
/**
* This rule checks if a file upload had the filename based on a regular expression.
*
* @param $val The value to test.
* @param $opts The regex to which the filename should match.
*/
function filename($val, $opts)
{
return YDValidateRules::regex($val['name'], $opts);
}
