$value) { $options[$value[$key]] = $value[$val]; } } return $options; } function M($TABLE_NAME = "") { return new DB($TABLE_NAME); } function checkClose() { if (file_exists(ROOT_PATH . '/Cache/system.lock')) { if (is_mobile()) { return appExec("Mobile", "Weihu", "index"); } else { return appExec("home", "weihu", "index"); } } } /** * 发布消息 * * @param integer $status * @param string $msg * @param string $data * @return void */ function publishNotify($channel, $status = 1, $data = '') { // toLog('publishNotify-'.$channel.'+++'.$data); C()->get('msg')->publish($channel, $data); } /** * 数组分类排序 * @param [array] $columnsArr [需要进行排序的数组] * @param [int] $plmid [所属分类ID] */ function getColumns($columnsArr, $plmid) { $menu = array(); foreach ($columnsArr as $v) { if ($v['plmid'] == $plmid) { $menu[] = $v; $a = getColumns($columnsArr, $v['lmid']); foreach ($a as $vv) { $menu[] = $vv; } } } return $menu; } /** * 获取客户端真实IP */ function GETIP() { global $ip; if (getenv("HTTP_CLIENT_IP")) { $ip = getenv("HTTP_CLIENT_IP"); } else if (getenv("HTTP_X_FORWARDED_FOR")) { $ip = getenv("HTTP_X_FORWARDED_FOR"); } else if (getenv("REMOTE_ADDR")) { $ip = getenv("REMOTE_ADDR"); } else { $ip = "Unknow"; } return $ip; } function dump($data, $exit = 1) { echo "
"; print_r($data); echo ""; if ($exit) { exit; } } function OrderID($prefix = '') { $num = mt_rand(100, 999); list($s, $m) = explode(' ', microtime()); $order = date("YmdHis") . ($s * 1000000) . $num; return $prefix . $order; } /** * 容器 */ function C() { static $c = array(); if (!isset($c['container'])) { $c['container'] = new \System\Di(); } return $c['container']; } /** * 全局变量快捷操作 * @param [type] $key [description] * @param [type] $value [description] */ function S($key, $value = null) { if ($value != null) { $GLOBALS[$key] = $value; } if (isset($GLOBALS[$key])) { return $GLOBALS[$key]; } } /** * 载入模型 * @param [type] $name [description] * @param string $proj [description] * @return [type] [description] */ function lm($name, $proj = '') { $proj = empty($proj) ? S('CUR_PROJECT') : $proj; if (empty($proj)) { throw new \Exception("项目{$proj}不存在", 1); } $cls = "\\App\\" . ucfirst($proj) . "\\Model\\" . ucfirst($name); if(!class_exists($cls)){ return; } $key = 'model_' . $name . $proj; C()->shared($key, $cls); return C()->get($key); } /** * 载入语言包 * @param string $key 语言项 * @param string $file 语言文件名 * @param string $proj 项目名称 * @return [type] [description] */ function lang($file = '', $proj = '') { $proj = empty($proj) ? S('CUR_PROJECT') : $proj; $file = empty($file) ? S('CUR_CONTROLLER') : $file; $ckey = "Lang_{$proj}_{$file}"; if (C()->has($ckey)) { return C()->get($ckey); } else { C()->shared($ckey, function () use ($proj, $file) { $file = ucfirst($file); $proj = ucfirst($proj); $lang = new \System\Lang(); $lang_files = array(); if (S('CUR_PROJECT') == $proj && S('CUR_CONTROLLER') == $file) { $lang_files[] = ROOT_PATH . "/Application/Commons/Lang/Common.php"; $lang_files[] = ROOT_PATH . "/Application/{$proj}/Lang/Common.php"; } $lang_files[] = ROOT_PATH . "/Application/{$proj}/Lang/{$file}.php"; $data = array(); foreach ($lang_files as $v) { if (file_exists($v)) { $data2 = include $v; if (is_array($data2)) { $data = array_merge($data, $data2); } } } $lang->load($data); return $lang; }); return C()->get($ckey); } } /** * 标签替换 * * @param [type] $message * @param array $data * @param string $tag * @return void */ function parseTag($message,$data=array(),$tag='#'){ if(is_array($data) && count($data)>0){ foreach ($data as $k => $v) { $message = str_replace($tag . $k . $tag, $v, $message); } } return $message; } function appExec($proj, $ctrl, $method, $exec = 0) { $proj = ucfirst($proj); $ctrl = ucfirst($ctrl); $method = ucfirst($method); S('CUR_PROJECT', $proj); S('CUR_CONTROLLER', $ctrl); S('CUR_METHOD', $method); checkPlatform(); toDomain(); //设置REMOTE_KEY lm('setinfo','commons')->setKey(); $cls = "\\App\\{$proj}\\Controller\\{$ctrl}"; C()->set($ctrl, $cls); $cls = C()->get($ctrl); if (!$cls) { exit("404 NOT FOUND"); } if ($exec) { $result = $cls->$method(); if (!empty($result)) { Render($result); } } if (method_exists($cls, $method)) { $result = $cls->$method(); if (!empty($result)) { Render($result); } } else { exit("404 METHOD NOT FOUND"); } } /** * UUID 生成 */ function UUID() { $prefix = ''; $uuid = ''; $str = md5(uniqid(mt_rand(), true)); $uuid = substr($str, 0, 8) . '-'; $uuid .= substr($str, 8, 4) . '-'; $uuid .= substr($str, 12, 4) . '-'; $uuid .= substr($str, 16, 4) . '-'; $uuid .= substr($str, 20, 12); return $prefix . $uuid; } /** *密码加密码 */ function GenEncryption() { srand((double) microtime() * 1000000); //create a random number feed. $ychar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z"; $list = explode(",", $ychar); $authnum = ""; for ($i = 0; $i < 6; $i++) { $randnum = rand(0, 61); // 10+26; $authnum .= $list[$randnum]; } return $authnum; } //密码加密 function GenPassword($password) { $Enc = GenEncryption(); $Pwd = md5(md5($Enc . $password)); return array("encryption" => $Enc, "password" => $Pwd); } //密码验证 function VerPassword($identity, $password) { $account = M("account_password")->where("account_identity = '$identity' and", "status = ", '1')->select("encryption,account_password")->find(); $VerPwd = md5(md5($account["encryption"] . $password)); if ($VerPwd == $account["account_password"]) { unset($account); unset($VerPwd); return true; } else { unset($account); unset($VerPwd); return false; } } /** * Json return * @param string $data [description] * @param string $status [description] * @param string $msg [description] * @param string $method [description] */ function JsonReturn($data = "", $status = "200", $msg = "", $method = "") { // header("Content-type:application/json;charset:utf-8"); // header('content-type:text/html; charset=utf-8'); if(isset($_REQUEST['crossdomain']) && !empty($_REQUEST['crossdomain'])){ header("Access-Control-Allow-Origin:{$_REQUEST['crossdomain']}"); }else{ header("Access-Control-Allow-Origin:*"); } header('Access-Control-Allow-Methods:POST,GET,PUT,DELETE,OPTIONS'); header('Access-Control-Allow-Credentials:true'); $retdata=array("status" => $status, "msg" => $msg, "data" =>$data); $devicetype=isset($_REQUEST['devicetype'])?trim($_REQUEST['devicetype']):''; if(!empty($devicetype) && in_array($devicetype,array('ios','android'))){ $path=S('CUR_PROJECT').'/'.S('CUR_CONTROLLER').'/'. S('CUR_METHOD'); $retdata=C()->get($devicetype."Result")->update($path,$retdata); } if ($method == '') { //dump($devicetype); echo (json_encode($retdata,JSON_UNESCAPED_UNICODE)); } else { echo ($method . "(" . json_encode($retdata,JSON_UNESCAPED_UNICODE) . ")"); } } function XmlReturn($data = "", $status = 200, $msg = '') { // header("Content-type:text/xml;charset:utf-8"); $xml = ''; $xml .= "
执行{$runName} 功能,当前时间为:{$curTime},累积用时: {$numTime}";
return;
}
}
function get_millisecond()
{
list($usec, $sec) = explode(" ", microtime());
$msec = round($usec * 1000);
return $sec . $msec;
}
function toLog($text, $rewrite = 0) {
$data = "=============" . date("Y-m-d H:i", time()) . "==========================================" . chr(13);
$data .= var_export($text, 1) . chr(13);
$data .= "======================================================================================" . chr(13);
$data = iconv('utf-8', 'gb2312', $data);
if ($rewrite) {
file_put_contents(ROOT_PATH . '/logs.txt', $data);
} else {
file_put_contents(ROOT_PATH . '/logs.txt', $data, FILE_APPEND);
}
}
/**
* 发送数据到前台,根据请求的数据格式返回相应的数据
* @param [type] $data [description]
* @param string $status [description]
* @param string $msg [description]
*/
function Render($data, $status = "1", $msg = "", $method = '') {
$format = S('CUR_RETURN_FORMAT');
$msg = empty($msg) ? lang('errors', 'api')->get('error' . $status) : $msg;
if (empty($format) || $format == 'json') {
JsonReturn($data, $status, $msg);
}
if ($format == 'xml') {
XmlReturn($data, $status, $msg);
}
exit;
}
function _beginTransaction() {
S('DB')->beginTransaction();
}
function _rollBack() {
S('DB')->rollBack();
}
function _commit() {
S('DB')->commit();
}
/**
* 服务
*
* @param string 服务名称
* @param array $params
* @return void
*/
function SRV($name, $params = array()) {
return C()->get($name)->update($params);
}
/**
* 是否验证token过期
*
* @return bool
*/
function isCheckToken() {
$result = true;
$allowMethod = include ROOT_PATH . "/Config/AllowMethod.php";
$key = S('CUR_PROJECT') . '/' . S('CUR_CONTROLLER') . '/' . S('CUR_METHOD');
if ($allowMethod[$key] == 1) {
$result = false;
}
return $result;
}
function checkPlatform(){
if(isset($_GET['platform'])){
$_SESSION['platform']=$_GET['platform']=='wap'?1:0;
}
if(isset($_GET['clearPlatform']) && intval($_GET['clearPlatform'])==1){
$_SESSION['platform']=null;
}
}
function is_mobile() {
if(isset($_SESSION['platform']) && $mobile=intval($_SESSION['platform'])>0 ){
return $mobile==1?true:false;
}
$user_agent = $_SERVER['HTTP_USER_AGENT'];
$mobile_agents = Array("240x320", "acer", "acoon", "acs-", "abacho", "ahong", "airness", "alcatel", "amoi", "android", "anywhereyougo.com", "applewebkit/525", "applewebkit/532", "asus", "audio", "au-mic", "avantogo", "becker", "benq", "bilbo", "bird", "blackberry", "blazer", "bleu", "cdm-", "compal", "coolpad", "danger", "dbtel", "dopod", "elaine", "eric", "etouch", "fly ", "fly_", "fly-", "go.web", "goodaccess", "gradiente", "grundig", "haier", "hedy", "hitachi", "htc", "huawei", "hutchison", "inno", "ipad", "ipaq", "ipod", "jbrowser", "kddi", "kgt", "kwc", "lenovo", "lg ", "lg2", "lg3", "lg4", "lg5", "lg7", "lg8", "lg9", "lg-", "lge-", "lge9", "longcos", "maemo", "mercator", "meridian", "micromax", "midp", "mini", "mitsu", "mmm", "mmp", "mobi", "mot-", "moto", "nec-", "netfront", "newgen", "nexian", "nf-browser", "nintendo", "nitro", "nokia", "nook", "novarra", "obigo", "palm", "panasonic", "pantech", "philips", "phone", "pg-", "playstation", "pocket", "pt-", "qc-", "qtek", "rover", "sagem", "sama", "samu", "sanyo", "samsung", "sch-", "scooter", "sec-", "sendo", "sgh-", "sharp", "siemens", "sie-", "softbank", "sony", "spice", "sprint", "spv", "symbian", "tablet", "talkabout", "tcl-", "teleca", "telit", "tianyu", "tim-", "toshiba", "tsm", "up.browser", "utec", "utstar", "verykool", "virgin", "vk-", "voda", "voxtel", "vx", "wap", "wellco", "wig browser", "wii", "windows ce", "wireless", "xda", "xde", "zte");
$is_mobile = false;
foreach ($mobile_agents as $device) {
if (stristr($user_agent, $device)) {
$is_mobile = true;
break;
}
}
return $is_mobile;
}
function toDomain() {
$domain = $_SERVER['HTTP_HOST'];
$config = include ROOT_PATH . '/Config/Domain.php';
$is_mobile = is_mobile();
$curDomain = $old_domain = $domain;
if (is_array($config) && count($config) > 0) {
$domains = array();
$domains[] = $domain;
if ($is_mobile) {
$domains[] = str_replace('www.', 'm.', $domain);
$domains[] = 'm.' . $domain;
} else {
$domains[] = str_replace('m.', '', $domain);
$domains[] = str_replace('m.', 'www.', $domain);
}
foreach ($domains as $key => $value) {
if (isset($config[$value])) {
$v = $config[$value];
if ($v == 'pay') {
return;
}
if ($is_mobile) {
if ($v == 'pc') {
continue;
}
} else {
if ($v != 'pc') {
continue;
}
}
$curDomain = $value;
// $_SESSION['domain']=$value;
}
}
}
// echo $curDomain;
if ($is_mobile) {
if (S('CUR_PROJECT') == 'Home') {
header("Location:http://" . $curDomain . "/m");
//header("Location:http://" . $curDomain . "/mobile-index/index");
}
} else {
if (S('CUR_PROJECT') == 'Mobile') {
header("Location:http://" . $curDomain . "/home-index/index");
}
}
/**
* 数据签名认证
* @param array $data 被认证的数据
* @return string 签名
*/
function data_auth_sign($data) {
//数据类型检测
if (!is_array($data)) {
$data = (array) $data;
}
ksort($data); //排序
$code = http_build_query($data); //url编码并生成query字符串
$sign = sha1($code); //生成签名
return $sign;
}
/*
* 判断用户是否登录
* */
function isLogin($str = '',$type='agent') {
$session = $_SESSION[$type.'Info'];
if(empty($session)){
return null;
}
if($type=='agent'){
if($str=='name'){
return $session['agent_user'];
}
if($str=='uid'){
return $session['user_identity'];
}
}
}
}
function jump($url){
header('Location:'.$url);
}
//手机中间星号
function phoneHide($phone)
{
if (!empty($phone)) {
$phone = substr_replace($phone, '****', 3, 4);
}
return $phone;
}
/**
* @param $game_code 球类代码
* @param int $isJoin 是否用于join
* @return array
* @throws Exception
* 根据球类代码 定义相关model
*/
function getModels($game_code,$isJoin=1){
$game_type = lm('GameType', 'Sports')->where('game_code',$game_code)->select('game_code')->first();
// 获取不同球类model
if($isJoin == 1){
switch ($game_type->game_code){
case 'zq':
$model_league = 'st_zq_league';
$model_match = 'st_zq_competition';
$model_odds = 'st_zq_odds';
$model_odds_record = 'st_zq_odds_record';
$model_result = 'st_zq_result';
break;
case 'lq':
$model_league = 'st_lq_league';
$model_match = 'st_lq_competition';
$model_odds = 'st_lq_odds';
$model_odds_record = 'st_lq_odds_record';
$model_result = 'st_lq_result';
break;
case 'wq':
$model_league = 'st_wq_league';
$model_match = 'st_wq_competition';
$model_odds = 'st_wq_odds';
$model_odds_record = 'st_wq_odds_record';
$model_result = 'st_wq_result';
break;
case 'bq':
$model_league = 'st_bq_league';
$model_match = 'st_bq_competition';
$model_odds = 'st_bq_odds';
$model_odds_record = 'st_bq_odds_record';
$model_result = 'st_bq_result';
break;
case 'gj':
$model_league = 'st_zq_league';
$model_match = 'st_zq_competition';
$model_odds = 'st_zq_odds';
$model_result = 'st_zq_result';
break;
default:
throw new \Exception(Render([], '10002', lang('Tips','Sports')->get('PARAM_ERROR')));
}
}else{
switch ($game_type->game_code){
case 'zq':
$model_league = 'st_zq_league';
$model_match = 'st_zq_competition';
$model_odds = 'st_zq_odds';
$model_result = 'SoccerResult';
break;
case 'lq':
$model_league = 'st_lq_league';
$model_match = 'st_lq_competition';
$model_odds = 'st_lq_odds';
$model_result = 'BasketballResult';
break;
case 'wq':
$model_league = 'st_wq_league';
$model_match = 'st_wq_competition';
$model_odds = 'st_wq_odds';
$model_result = 'TennisResult';
break;
case 'bq':
$model_league = 'st_bq_league';
$model_match = 'st_bq_competition';
$model_odds = 'st_bq_odds';
$model_result = 'BaseballResult';
break;
case 'gj':
$model_league = 'st_zq_league';
$model_match = 'st_zq_competition';
$model_odds = 'st_zq_odds';
$model_result = 'SoccerResult';
break;
default:
throw new \Exception(Render([], '10002', lang('Tips','Sports')->get('PARAM_ERROR')));
}
}
$data = [
'model_league'=>$model_league,
'model_match'=>$model_match,
'model_odds'=>$model_odds,
'model_result' =>$model_result,
'model_odds_record' => $model_odds_record
];
return $data;
}
/**
* @param $type_code
* @return array
* @throws \Exception
* 获取不同状态下的 查询条件
*/
function getState($type_code,$model_match = ''){
if($model_match == ''){
switch ($type_code){
case 'StRollBall'://滚球 正在进行
$where = [
['is_rollball','=',1],
['match_date','=',date("Y-m-d")],
['match_time','>',date("H:i:s", time()-(90*60))],
['match_time','<',date("H:i:s", time())]
];
break;
case 'StSoon'://即将 今日两小时内开始
$where = [
['status','=','0'],
['match_date','=',date("Y-m-d")],
['match_time','<',date("H:i:s", strtotime("+2 hour"))],
['match_time','>',date("H:i:s", time())]
// ['utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StToday'://今日 今日未开始未结束
$where = [
['is_today', '=', 1],
// ['type', '=', '1'],
// ['status', '<', '2'],
['match_date','=',date("Y-m-d")],
['match_time','>',date("H:i:s", time())],
// ['utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StMorningPlate'://早盘
$where = [
['is_morningplate', '=', 1],
['us_time','>',qgmdate('Y-m-d H:i:s', '', -4)],
// ['match_date','>',date("Y-m-d",time())],
// ['match_time','>',date("H:i:s", time())],
// ['type', '=', '2'],
// ['status', '<', '2'],
// ['utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StStringScene'://串场
$where = [
['is_stringscene', '=', 1],
['us_time','>',qgmdate('Y-m-d H:i:s', '', -4)],
// ['match_date','>',date("Y-m-d",time())],
// ['match_time','>',date("H:i:s", time())],
// ['type', '=', '3'],
// ['status', '<', '2'],
// ['utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StChampion'://冠军
$where = [
'type'=>1
];
break;
default:
throw new \Exception(Render([], '10002', lang('Tips','Sports')->get('PARAM_ERROR')));
}
}else{
switch ($type_code){
case 'StRollBall'://滚球 正在进行
$where = [
[$model_match.'.is_rollball','=',1],
[$model_match.'.match_date','=',date("Y-m-d")],
[$model_match.'.match_time','>',date("H:i:s", time()-(90*60))],
[$model_match.'.match_time','<',date("H:i:s", time())]
];
break;
case 'StSoon'://即将 今日两小时内开始
$where = [
[$model_match.'.status','=','0'],
[$model_match.'.match_date','=',date("Y-m-d")],
[$model_match.'.match_time','<',date("H:i:s", strtotime("+2 hour"))],
[$model_match.'.match_time','>',date("H:i:s", time())]
// [$model_match.'.utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StToday'://今日 今日未开始未结束
$where = [
[$model_match.'.is_today','=',1],
// [$model_match.'.type', '=', '1'],
// [$model_match.'.status', '<', '2'],
[$model_match.'.match_date','=',date("Y-m-d")],
[$model_match.'.match_time','>',date("H:i:s", time())],
// [$model_match.'.utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'all'://所有赛事
$where = [
[$model_match.'.status', '<', '2'],
];
break;
case 'StMorningPlate'://早盘
$where = [
[$model_match.'.is_morningplate','=',1],
[$model_match.'.us_time','>',qgmdate('Y-m-d H:i:s', '', -4)],
// [$model_match.'.match_date','>',date("Y-m-d",time())],
// [$model_match.'.match_time','>',date("H:i:s", time())],
// [$model_match.'.type', '=', '2'],
// [$model_match.'.status', '<', '2'],
// [$model_match.'.utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StStringScene'://串场 查询串场状态为1 开赛时间大于当前时间
$where = [
[$model_match.'.is_stringscene','=',1],
[$model_match.'.us_time','>',qgmdate('Y-m-d H:i:s', '', -4)],
// [$model_match.'.match_date','>',date("Y-m-d",time())],
// [$model_match.'.match_time','>',date("H:i:s", time())],
// [$model_match.'.type', '=', '3'],
// [$model_match.'.status', '<', '2'],
// [$model_match.'.utime','>',date("Y-m-d").' 00:00:00']
];
break;
case 'StChampion'://冠军
$where = [
'type'=>1
];
break;
default:
throw new \Exception(Render([], '10002', lang('Tips','Sports')->get('PARAM_ERROR')));
}
}
return $where;
}
/**
* @param $data
* @return array
* 处理当国家下无联赛数据 删除该数组
*/
function handleArr($data){
$hData = [];
foreach ($data as $key =>$v){
if(empty($v['league_count'])){
$v = [];
}
$hData[]=$v;
}
foreach($hData as $k=>$v){
if(empty($v)){
unset($hData[$k]);
}
}
foreach ($hData as $k=>$v){
$v['league_count'] = array_values($v['league_count']);
$hData[$k]=$v;
}
return array_values($hData);
}
/**
* @param $arr
* @param $key
* @return array
* 去除二维数组重复项
*/
function array_unset_tt($arr,$key){
//建立一个目标数组
$res = array();
foreach ($arr as $value) {
//查看有没有重复项
if(isset($res[$value[$key]])){
unset($value[$key]); //有:销毁
}else{
$res[$value[$key]] = $value;
}
}
return $res;
}
/**
* 处理冠军盘口 数组结构
*/
function array_gj_tt($data,$oddsData){
foreach ($data as $k=>&$v){
foreach ($v['league_count'] as $kk=>&$vv){
foreach ($oddsData as $kkk=>$vvv){
if($vv['lg_id'] == $vvv['lg_id']){
$vv['oddsData'][]=$vvv;
}
}
if($vv['oddsData']){
$vv['oddsData'] = array_unset_tt($vv['oddsData'],'p_code');
$vv['count'] = count($vv['oddsData']);
unset($vv['oddsData']);
}
if(count($vv) == 5){
unset($v['league_count'][$kk]);
}
}
$v['league_count'] = array_values($v['league_count']);
if(empty($v['league_count'])){
unset($data[$k]);
}
}
return array_values($data);
}
/**
* 时间格式化
* @param string $dateformat 时间格式
* @param int $timestamp 时间戳
* @param int $timeoffset 时区偏差 默认8 北京时间 -4美东时间
* @return string
*/
function qgmdate($dateformat = 'Y-m-d H:i:s', $timestamp = '', $timeoffset = 8) {
if(empty($timestamp)) {
$timestamp = time();
}
$result = gmdate($dateformat, $timestamp + $timeoffset * 3600);
return $result;
}
/**
* 判断二维数组是否包含一维数组
* @param mixed $arr 查询条件
* @param mixed $arrs 运动类型
* @return string
*/
function judgeEqual($arr, $arrs){
foreach ($arrs as $value) {
if (count($value) === count($arr)) {
$a = 0;
foreach ($value as $key => $v) {
$a++;
if ($v != $arr[$key]) {
break;
}
if ($a == count($key)) { // 到最后一个元素都没有出现不相等,就说明这两个数组相等。
return true;
}
}
}
}
return false;
}
// 排列
function arrangement($a, $m) {
$r = array();
$n = count($a);
if ($m <= 0 || $m > $n) {
return $r;
}
for ($i=0; $i<$n; $i++) {
$b = $a;
$t = array_splice($b, $i, 1);
if ($m == 1) {
$r[] = $t;
} else {
$c = arrangement($b, $m-1);
foreach ($c as $v) {
$r[] = array_merge($t, $v);
}
}
}
return $r;
}
// 组合
function combination($a, $m) {
$r = array();
$n = count($a);
if ($m <= 0 || $m > $n) {
return $r;
}
for ($i=0; $i<$n; $i++) {
$t = array($a[$i]);
if ($m == 1) {
$r[] = $t;
} else {
$b = array_slice($a, $i+1);
$c = combination($b, $m-1);
foreach ($c as $v) {
$r[] = array_merge($t, $v);
}
}
}
return $r;
}
// 阶乘
function factorial($n) {
return array_product(range(1, $n));
}
// 排列数
function A1($n, $m) {
return factorial($n)/factorial($n-$m);
}
// 组合数
function C1($n, $m) {
return A1($n, $m)/factorial($m);
}