<?php
/**
 * @author Fm453
 * @remark  Api站公用函数
 */
defined('HI_FM') or exit("Access Denied");

function getMillisecond(){
    //获取毫秒级时间
    list($t1,$t2) = explode(' ',microtime());
    return (float)sprintf('%.f',(floatval($t1) + floatval($t2))*1000);
}

//手机号掩码
function mobile_mask($mobile) {
    return substr($mobile, 0, 3) . '****' . substr($mobile, 7);
}

//银行卡号加空格隔断
function bankcard_space($cardnumber){
    $card ='';
    for($i=0; $i<5; $i++){
        $card = $card. substr($cardnumber,4*$i,4). ' ';
    }
    return $card;
}

//PHP stdClass Object转array
if(!function_exists('fm_object2array')){
    function fm_object2array($array) {
        if(is_object($array)) {
            $array = (array)$array;
        }
        if(is_array($array)) {
            foreach($array as $key=> &$value) {
                 if(is_object($value)) {
                    $value = (array)$value;
                 }
                 if(is_array($value)){
                    foreach($value as $k => &$v){
                        $value[$k] = fm_object2array($v);
                    }
                 }
                 $array[$key] = $value;
            }
        }
        return $array;
    }
}

function iserializer($value) {
    return serialize($value);
}


function iunserializer($value) {
    if (empty($value)) {
        return '';
    }
    if (!is_serialized($value)) {
        return $value;
    }
    $result = unserialize($value);
    if ($result === false) {
        $temp = preg_replace_callback('!s:(\d+):"(.*?)";!s', function ($matchs){
            return 's:'.strlen($matchs[2]).':"'.$matchs[2].'";';
        }, $value);
        return unserialize($temp);
    }
    return $result;
}

function is_serialized($data, $strict = true) {
    if (!is_string($data)) {
        return false;
    }
    $data = trim($data);
    if ('N;' == $data) {
        return true;
    }
    if (strlen($data) < 4) {
        return false;
    }
    if (':' !== $data[1]) {
        return false;
    }
    if ($strict) {
        $lastc = substr($data, -1);
        if (';' !== $lastc && '}' !== $lastc) {
            return false;
        }
    } else {
        $semicolon = strpos($data, ';');
        $brace = strpos($data, '}');
                if (false === $semicolon && false === $brace)
            return false;
                if (false !== $semicolon && $semicolon < 3)
            return false;
        if (false !== $brace && $brace < 4)
            return false;
    }
    $token = $data[0];
    switch ($token) {
        case 's' :
            if ($strict) {
                if ('"' !== substr($data, -2, 1)) {
                    return false;
                }
            } elseif (false === strpos($data, '"')) {
                return false;
            }
                case 'a' :
        case 'O' :
            return (bool)preg_match("/^{$token}:[0-9]+:/s", $data);
        case 'b' :
        case 'i' :
        case 'd' :
            $end = $strict ? '$' : '';
            return (bool)preg_match("/^{$token}:[0-9.E-]+;$end/", $data);
    }
    return false;
}

//生成不重复的随机字符串
function randchars($len)
{
    $chars='ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
    $string=time();
    for(;$len>=1;$len--)
    {
        $position=rand()%strlen($chars);
        $position2=rand()%strlen($string);
        $string=substr_replace($string,substr($chars,$position,1),$position2,0);
    }
    return $string;
}