PHP常用的一些公共函数(持续更新)

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// 应用公共文件

// =================================新加入=====================================

function getIP()
{
    static $realip;
    if (isset($_SERVER)){
        if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
            $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
            $realip = $_SERVER["HTTP_CLIENT_IP"];
        } else {
            $realip = $_SERVER["REMOTE_ADDR"];
        }
    } else {
        if (getenv("HTTP_X_FORWARDED_FOR")){
            $realip = getenv("HTTP_X_FORWARDED_FOR");
        } else if (getenv("HTTP_CLIENT_IP")) {
            $realip = getenv("HTTP_CLIENT_IP");
        } else {
            $realip = getenv("REMOTE_ADDR");
        }
    }
    return $realip;
}

function getCity($ip = '')
{
    if($ip == ''){
        $url = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json";
        $ip=json_decode(file_get_contents($url),true);
        $data = $ip;
    }else{
        $url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;
        $ip=json_decode(file_get_contents($url));
        if((string)$ip->code=='1'){
           return false;
        }
        $data = (array)$ip->data;
    }

    return $data;
}

/*=====================================================
 * 说明:手机号 隐藏 by:Simon
 *====================================================*/
function mobile_phone_hidden($phone)
{
    $is_what = preg_match('/(0[0-9]{2,3}[\-]?[2-9][0-9]{6,7}[\-]?[0-9]?)/i',$phone); //固定电话
    if($is_what == 1)
        return preg_replace('/(0[0-9]{2,3}[\-]?[2-9])[0-9]{3,4}([0-9]{3}[\-]?[0-9]?)/i','$1****$2',$phone);
    else
        return  preg_replace('/(1[358]{1}[0-9])[0-9]{4}([0-9]{4})/i','$1****$2',$phone);
}

/*=====================================================
 * 说明:身份证号 隐藏 by:Simon
 *====================================================*/
function id_card_hidden($idcard)
{
    $length = strlen($idcard);
    $calcLength = $length - 4 - 4;
    return substr_replace($idcard, str_repeat('*',$calcLength), 4, $calcLength);
}

/*=====================================================
 * 说明:银行卡 隐藏 by:Simon
 *====================================================*/
function id_bank_card_hidden($card)
{
    $length = strlen($card);
    $calcLength = $length - 4 - 4;
    return substr_replace($card, str_repeat('*',$calcLength), 4, $calcLength);
}

/*=====================================================
 * 说明:获取当前日期 by:Simon
 *====================================================*/
function datetime()
{
    return date('Y-m-d H:i:s', time());
}

/*=====================================================
 * 函数:http_post_query
 * 说明:http请求 by:Simon
====================================================*/
function http_post_query($url, $data)
{

    $postdata = http_build_query($data);

    $opts = array('http' =>
        array(
            'method'  => 'POST',
            'header'  => 'Content-type: application/x-www-form-urlencoded',
            'content' => $postdata
        )
    );
    $context = stream_context_create($opts);
    $result  = file_get_contents($url, false, $context);

    return $result;
}

// =================================原始加入=====================================

/**
 * 判断手机号码是否合法
 * @param $mobile 手机号码
 * @return bool
 */
function check_mobile($mobile)
{
    // $pattern = '/^(1(([35][0-9])|(47)|[8][0126789]))\d{8}$/';
    $pattern = '/^(0|86|17951)?(888|13[0-9]|15[012356789]|17[0-9]|111|18[0-9]|14[57])[0-9]{8}$/';

    if (preg_match($pattern, $mobile)) {
        return TRUE;
    } else {
        return FALSE;
    }
}

/**
 * 判断邮箱地址是否合法
 * @param $email
 * @return bool
 */
function checkEmail($email)
{
    $pattern = "/^([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)$/i";
    if (preg_match($pattern, $email)) {
        return TRUE;
    } else {
        return FALSE;
    }
}

/**
 * 判断用户名是否合法
 * @param $name 小写字母开头，只能包含小写字母3-16位
 * @return bool
 */
function checkUsername($name)
{
    $patten = '/^[a-z]{3,12}$/';
    if (preg_match($patten, $name)) {
        return TRUE;
    } else {
        return FALSE;
    }
}

/**
 * 判断真实姓名是否合法
 * @param $realname
 * @return bool
 */
function checkRealname($realname)
{
    $patten = '/^[\x{4e00}-\x{9fa5}]+$/u';
    if (preg_match($patten, $realname)) {
        return TRUE;
    } else {
        return FALSE;
    }
}

/**
 * 判断IP地址是否合法
 * @param $ip
 * @return bool
 */
function checkIP($ip)
{
    $patten = "/^(((1?\d{1,2})|(2[0-4]\d)|(25[0-5]))\.){3}((1?\d{1,2})|(2[0-4]\d)|(25[0-5]))$/";
    if (preg_match($patten, $ip)) {
        return true;
    } else {
        return false;
    }
}

/**
 * 格式化打印数据
 * @param $data
 * @param bool $ext
 */
function pr($data, $ext = false)
{
    //header("Content-type:text/html;charset=utf-8");
    echo '';
    print_r($data);
    echo '';
    if ($ext) {
        exit;
    }
}

/**
 * 格式化打印数据
 * @param $data
 * @param bool $ext
 * @auther dengqihua
 */
function __print_r($data, $ext = false)
{
    //header("Content-type:text/html;charset=utf-8");
    echo '';
    print_r($data);
    echo '';
    if ($ext) {
        exit;
    }
}

/**
 * 数组层级缩进转换
 * @param array $array
 * @param int $pid
 * @param int $level
 * @return array
 */
function array2level($array, $pid = 0, $level = 1, &$result = [])
{
    //static $list = [];
    foreach ($array as $v) {
        if ($v['parent_id'] == $pid) {
            $v['level'] = $level;
            $result[]     = $v;
            array2level($array, $v['id'], $level + 1, $result);
        }
    }
    return $result;
}


/**
 * 构建层级（树状）数组
 * @param array $array 要进行处理的一维数组，经过该函数处理后，该数组自动转为树状数组
 * @param string $pid 父级ID的字段名
 * @param string $child_key_name 子元素键名
 * @return array|bool
 */
function array2tree(&$array, $pid = 'parent_id', $child_key_name = 'children')
{
    $counter = array_children_count($array, $pid);
    if ($counter[0] == 0)
        return false;
    $tree = [];
    while (isset($counter[0]) && $counter[0] > 0) {
        $temp = array_shift($array);
        if (isset($counter[$temp['id']]) && $counter[$temp['id']] > 0) {
            array_push($array, $temp);
        } else {
            if ($temp[$pid] == 0) {
                $tree[] = $temp;
            } else {
                $array = array_child_append($array, $temp[$pid], $temp, $child_key_name);
            }
        }
        $counter = array_children_count($array, $pid);
    }

    return $tree;
}

/**
 * 子元素计数器
 * @param $array
 * @param $pid
 * @return array
 */
function array_children_count($array, $pid)
{
    $counter = [];
    foreach ($array as $item) {
        $count = isset($counter[$item[$pid]]) ? $counter[$item[$pid]] : 0;
        $count++;
        $counter[$item[$pid]] = $count;
    }

    return $counter;
}

/**
 * 把元素插入到对应的父元素$child_key_name字段
 * @param        $parent
 * @param        $pid
 * @param        $child
 * @param string $child_key_name 子元素键名
 * @return mixed
 */
function array_child_append($parent, $pid, $child, $child_key_name)
{
    foreach ($parent as &$item) {
        if ($item['id'] == $pid) {
            if (!isset($item[$child_key_name]))
                $item[$child_key_name] = [];
            $item[$child_key_name][] = $child;
        }
    }

    return $parent;
}

/**
 * 获取客户端浏览器信息
 * @param $agent
 * @return string
 */
function getBrowser($agent)
{
    $browser     = '';
    $browser_ver = '';

    if (preg_match('/OmniWeb\/(v*)([^\s|;]+)/i', $agent, $regs)) {
        $browser     = 'OmniWeb';
        $browser_ver = $regs[2];
    }

    if (preg_match('/Netscape([\d]*)\/([^\s]+)/i', $agent, $regs)) {
        $browser     = 'Netscape';
        $browser_ver = $regs[2];
    }

    if (preg_match('/safari\/([^\s]+)/i', $agent, $regs)) {
        $browser     = 'Safari';
        $browser_ver = $regs[1];
    }

    if (preg_match('/MSIE\s([^\s|;]+)/i', $agent, $regs)) {
        $browser     = 'Internet Explorer';
        $browser_ver = $regs[1];
    }

    if (preg_match('/rv:([^\s|)]+)/i', $agent, $regs)) {
        $browser     = 'Internet Explorer';
        $browser_ver = $regs[1];
    }

    if (preg_match('/Opera[\s|\/]([^\s]+)/i', $agent, $regs)) {
        $browser     = 'Opera';
        $browser_ver = $regs[1];
    }

    if (preg_match('/NetCaptor\s([^\s|;]+)/i', $agent, $regs)) {
        $browser     = '(Internet Explorer ' . $browser_ver . ') NetCaptor';
        $browser_ver = $regs[1];
    }

    if (preg_match('/Maxthon/i', $agent, $regs)) {
        $browser     = '(Internet Explorer ' . $browser_ver . ') Maxthon';
        $browser_ver = '';
    }
    if (preg_match('/360SE/i', $agent, $regs)) {
        $browser     = '(Internet Explorer ' . $browser_ver . ') 360SE';
        $browser_ver = '';
    }
    if (preg_match('/SE 2.x/i', $agent, $regs)) {
        $browser     = '(Internet Explorer ' . $browser_ver . ') 搜狗';
        $browser_ver = '';
    }

    if (preg_match('/FireFox\/([^\s]+)/i', $agent, $regs)) {
        $browser     = 'FireFox';
        $browser_ver = $regs[1];
    }

    if (preg_match('/Lynx\/([^\s]+)/i', $agent, $regs)) {
        $browser     = 'Lynx';
        $browser_ver = $regs[1];
    }

    if (preg_match('/Chrome\/([^\s]+)/i', $agent, $regs)) {
        $browser     = 'Chrome';
        $browser_ver = $regs[1];

    }

    if ($browser != '') {
        return $browser . ' ' . $browser_ver;
    } else {
        return '未知浏览器';
    }
}

/**
 * 获取客户端操作系统信息
 * @param $agent
 * @return bool|string
 */
function getOs($agent)
{
    $os = false;

    if(preg_match('/win/i', $agent) && preg_match('/nt 6.0/i', $agent)) {
        $os = 'Windows Vista';
    } else if (preg_match('/win/i', $agent) && preg_match('/nt 6.1/i', $agent)) {
        $os = 'Windows 7';
    } else if (preg_match('/win/i', $agent) && preg_match('/nt 6.2/i', $agent)) {
        $os = 'Windows 8';
    } else if (preg_match('/win/i', $agent) && preg_match('/nt 10.0/i', $agent)) {
        $os = 'Windows 10';#添加win10判断
    } else if (preg_match('/win/i', $agent) && preg_match('/nt 5.1/i', $agent)) {
        $os = 'Windows XP';
    } else if (preg_match('/win/i', $agent) && preg_match('/nt 5/i', $agent)) {
        $os = 'Windows 2000';
    } else if (preg_match('/win/i', $agent) && preg_match('/nt/i', $agent)) {
        $os = 'Windows NT';
    } else if (preg_match('/win/i', $agent) && preg_match('/32/i', $agent)) {
        $os = 'Windows 32';
    } else if (preg_match('/linux/i', $agent)) {
        $os = 'Linux';
    } else if (preg_match('/unix/i', $agent)) {
        $os = 'Unix';
    } else if (preg_match('/sun/i', $agent) && preg_match('/os/i', $agent)) {
        $os = 'SunOS';
    } else if (preg_match('/ibm/i', $agent) && preg_match('/os/i', $agent)) {
        $os = 'IBM OS/2';
    } else if (preg_match('/Mac/i', $agent) && preg_match('/PC/i', $agent)) {
        $os = 'Macintosh';
    } else if (preg_match('/PowerPC/i', $agent)) {
        $os = 'PowerPC';
    } else if (preg_match('/AIX/i', $agent)) {
        $os = 'AIX';
    } else if (preg_match('/HPUX/i', $agent)) {
        $os = 'HPUX';
    } else if (preg_match('/NetBSD/i', $agent)) {
        $os = 'NetBSD';
    } else if (preg_match('/BSD/i', $agent)) {
        $os = 'BSD';
    } else if (preg_match('/OSF1/i', $agent)) {
        $os = 'OSF1';
    } else if (preg_match('/IRIX/i', $agent)) {
        $os = 'IRIX';
    } else if (preg_match('/FreeBSD/i', $agent)) {
        $os = 'FreeBSD';
    } else if (preg_match('/teleport/i', $agent)) {
        $os = 'teleport';
    } else if (preg_match('/flashget/i', $agent)) {
        $os = 'flashget';
    } else if (preg_match('/webzip/i', $agent)) {
        $os = 'webzip';
    } else if (preg_match('/offline/i', $agent)) {
        $os = 'offline';
    } else {
        $os = '未知操作系统';
    }
    return $os;
}

/**
 * 根据二维数组的某个字段进行排序
 * @param $multi_array
 * @param $sort_key
 * @param int $sort
 * @return bool
 */
function array_multi_sort($multi_array, $sort_key, $sort = SORT_DESC)
{
    if (is_array($multi_array)) {
        foreach ($multi_array as $row_array) {
            if (is_array($row_array)) {
                $key_array[] = $row_array[$sort_key];
            } else {
                return false;
            }
        }
    } else {
        return false;
    }
    array_multisort($key_array, $sort, $multi_array);
    return $multi_array;
}

/**
 * httpPost请求
 * @param url 请求地址
 * @param data 请求参数（json）
 */
function post_json_response($url, $data) {
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Content-Type: application/json; charset=utf-8',
        'Content-Length: ' . strlen($data)
    ]);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    curl_close($ch);

    return $response;
}

function millisecond() {
    list($t1, $t2) = explode(' ', microtime());

    return (float)sprintf('%.0f', (floatval($t1) + floatval($t2)));
}

/*
* api统一接口返回
* $code 状态码
* $res 返回数据结果集 (如果有)
 */
function json_api($code='00000000', $res=[], $codeMessage=[]){

    $code = $code;
    $res = $res;

    if($codeMessage != []){
        $returnMessageTpl = config('message.'.$code);
//        $return_msg = vprintf($returnMessageTpl, $codeMessage);
        $return_msg = sprintf($returnMessageTpl, ...$codeMessage);
    }else{
        $return_msg = config('message.'.$code);
    }

    return json([
        'code' => $code,
        'msg'  => $return_msg,
        'res'  => $res
    ]);
}