php笔记

//将文件转字符串
$content = file_get_contents('./tmp.xlsx');

$list = $newData = [];
//word，type，style3个相同的去重
foreach ($data as $key => $value) {
    if ($key != 0) {
        $newData[$value[0]] = $value[1] . ',' . $value[2] . ',' . $value[3];
        $list[$value[0]] = $value;
    }
}
//获取去掉重复数据的数组
$uniqueArr = array_unique($newData);
//重复数组
$repeatArr = array_diff_assoc($newData, $uniqueArr);
//删除重复
foreach ($repeatArr as $rekey => $revalue) {
    unset($list[$rekey]);
}
sort($list);

删除空值（去重（获取某值变成一维数组））
$idArr = array_filter(array_unique(array_column($list, 'id')));

file_put_contents("c:/zll.txt","内容");

upload_tmp_dir = D:\owen\lswj\

// $base_img是获取到前端传递的值
      $base_img = str_replace('data:image/jpg;base64,', '', $code);
//  设置文件路径和命名文件名称
      $path = "D:/Uploads/Bar/2019-12-11/";
      $output_file = time().rand(100,999).'.jpg';
      $path = $path.$output_file;
//  创建将数据流文件写入我们创建的文件内容中
      file_put_contents($path, base64_decode($base_img));
// 输出文件
      print_r($output_file);

public function result($errno, $message, $data = '') {
   ob_clean();//清空输出缓冲区
   exit(json_encode(array(
      'errno' => $errno,
      'message' => $message,
      'data' => $data,
   )));
}
return $this->result('10014', 'redis connect fail', '');

//存在某字符，替换字符
if(strpos($compareOdds,"\")!==false){
    $compareOdds=str_replace("\",'',$compareOdds);
}

//字符串是否存在某字符
strstr($data['tags'], ',')
//字符转数组
$tagsArr = explode(", ", $data['tags']);
/**
 * 实现姓名和手机号星号*替换
 * @return string
 */
if (!function_exists('mbSubstrReplace')) {
    function mbSubstrReplace($string, $replacement, $start, $length = null, $encoding = null)
    {
        if (extension_loaded('mbstring') === true) {
            $string_length = (is_null($encoding) === true) ? mb_strlen($string) : mb_strlen($string, $encoding);
            if ($start < 0) {
                $start = max(0, $string_length + $start);
            } else if ($start > $string_length) {
                $start = $string_length;
            }
            if ($length < 0) {
                $length = max(0, $string_length - $start + $length);
            } else if ((is_null($length) === true) || ($length > $string_length)) {
                $length = $string_length;
            }
            if (($start + $length) > $string_length) {
                $length = $string_length - $start;
            }
            if (is_null($encoding) === true) {
                return mb_substr($string, 0, $start) . $replacement . mb_substr($string, $start + $length, $string_length - $start - $length);
            }
            return mb_substr($string, 0, $start, $encoding) . $replacement . mb_substr($string, $start + $length, $string_length - $start - $length, $encoding);
        }
        return (is_null($length) === true) ? substr_replace($string, $replacement, $start) : substr_replace($string, $replacement, $start, $length);
    }
}
/**
 * 实现姓名*替换
 * 马克思：马*思
 * 马思：*思
 * 马列主义：马*义
 * @return string
 */
if (!function_exists('getMaskName')) {
    function getMaskName($name)
    {
        if (mb_strlen($name) > 2) {
            return mbSubstrReplace($name, '*', 1, -1);
        } else {
            return mbSubstrReplace($name, '*', 0, -1);
        }
    }
}
/**
 * 实现手机号星号*替换
 * 12345679878：123****9878
 * @return string
 */
if (!function_exists('getMaskMobile')) {
    function getMaskMobile($mobile)
    {
        return  substr($tel, 0, 3)."****".substr($tel, 7);
    }
}

if (!function_exists('arrayToObject')) {
    function arrayToObject($array) {
        $aboutVideoArr = array();
        if (is_array($array)) {
            foreach ($array as $value) {
                $video = new Video();
                foreach ($value as $key => $val) {
                    $video->$key = $val;
                }
                array_push($aboutVideoArr, $video);
            }
        } else {
            $video = $array;
        }
        return $aboutVideoArr;
    }
}
// 把对象转化成普通的数组：
if (!function_exists('objectToarray')) {
    function objectToarray($object) {
        if (is_object($object)) {
            foreach ($object as $key => $value) {
                $array[$key] = $value;
            }
        }
        else {
            $array = $object;
        }
        return $array;
    }
} 
/**
     * 生成一批随机数 随机数之合为一个值
     * @param $count 随机数个数
     * @param $sum 随机数总和
     * @param $mix 最小随机数
     * @param $max 最大随机数
     */
    public function getRand($count, $sum, $mix, $max)
    {
        ini_set('memory_limit', "1024M");
        $i = 1;
        while ($i <= $count) {
            $tmp[] = mt_rand($mix, $max);
            $i++;
        }
        $k = array_sum($tmp) ? ($sum / array_sum($tmp)) : 0;
        $res = [];
        foreach ($tmp as $v) {
            $res[] = (int)($v * $k);
        }
        $assoc = $sum - array_sum($res);
        $last = array_pop($res);
        $res[] = $last + $assoc;
        while (max($res) > $max) {
            $tmax = max($res);
            $key = array_search($tmax, $res);
            if ($key !== false) {
                $res[$key] = mt_rand($mix, $max);
                $k = array_search(min($res), $res);
                $res[$k] = $tmax - $res[$key] + min($res);
            }
        }
        return $res;
    }

$pagesize = input('limit/d', 20);
            $page = input('page/d', 1);           
            $createTimeArr = getBetweenTimeArr($createTimeStart, date('Y-m-d'));
            $count = count($createTimeArr);
            $start = ($page - 1) * $pagesize;
            $end = $start + $pagesize;
            $end = $end > $count ? $count : $end;
            $newList = [];
            for ($i = $start; $i < $end; $i++) {
                $newList[] = $createTimeArr[$i];
            }
            return $newList;

function getBetweenTimeArr($startDate, $backDate)
{
   if (!$startDate || !$backDate){
       return [];
   }
   $dtStart = strtotime($startDate);
   $dt_end = strtotime($backDate);
   $getBetweenTimeArr = [];
   while ($dtStart <= $dt_end) {
       $getBetweenTimeArr[] = date('Y-m-d', $dtStart);
       $dtStart = strtotime('+1 day', $dtStart);
   }
   return $getBetweenTimeArr;
}

//2个时间相差几天$start_date 开始时间2019-12-30 $back_date 结束时间2020-01-02 
$dimdd = round((strtotime($back_date)-strtotime($start_date))/3600/24)+1;

function getBeforeString($string, $beforeString)
{
    return substr($string, 0, strpos($string, $beforeString));
}
 // 截取指定两个字符之间字符串
if (!function_exists('getBetweenString')) {
    function getBetweenString($string, $startString, $endString)
    {
        $substr = substr($string, strlen($startString) + strpos($string, $startString), (strlen($string) - strpos($string, $endString)) * (-1));
        return $substr;
    }
}
// 截取某子字符串后的字符串
if (!function_exists('getLaterString')) {
    function getLaterString($string, $laterString)
    {
        return substr($string, (stripos($string, $laterString) + strlen($laterString)));
    }
}

//第一个字符是否为“
if (substr($compareOdds, 0, 1) == '"') {
    //删除第一个字符
    $compareOdds = substr($compareOdds, 1);
}
//最后一个字符是否为“
if (substr($compareOdds, -1, 1) == '"') {
    //删除最后一个字符
    $compareOdds = substr($compareOdds, 0, -1);
}