function is_url($s) { // checks if string is a url $is_url = false; if (strlen($s) > 4 && isalpha($s[0]) && !strstr($s, '..') && substr_count($s, '.') == 2 && (substr($s, -4, 1) == '.' || substr($s, -3, 1) == '.')) { $is_url = true; } if (filter_var($s, FILTER_VALIDATE_URL) != FALSE) { $is_url = true; } return $is_url; }
function is_url($s) { // checks if string is a url $is_url = 0; if (strlen($s) > 4 && isalpha($s[0]) && !strstr($s, '..') && substr_count($s, '.') == 2 && (substr($s, -4, 1) == '.' || substr($s, -3, 1) == '.')) { $is_url = 1; } return $is_url; }