<?php namespace anerg\OAuth2\Helper; class Str { public static function uFirst($str) { return ucfirst(strtolower($str)); } public static function buildParams($params, $urlencode = false, $except = ['sign']) { $param_str = ''; foreach ($params as $k => $v) { if (in_array($k, $except)) { continue; } $param_str .= $k . '='; $param_str .= $urlencode ? rawurlencode($v) : $v; $param_str .= '&'; } return rtrim($param_str, '&'); } public static function random($length = 16) { $str_pol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; return substr(str_shuffle($str_pol), 0, $length); } public static function getClientIP() { $ip = '127.0.0.1'; if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR']) { $ip = $_SERVER['REMOTE_ADDR']; } else if (getenv('REMOTE_ADDR')) { $ip = getenv('REMOTE_ADDR'); } return $ip; } }