264 lines
8.7 KiB
PHP
264 lines
8.7 KiB
PHP
<?php
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/**
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* @author Any
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* @description KISS
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* @date 2020-11-1
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* @version 1.0.0
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*
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* _____LOG_____
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*
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*/
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namespace app\components;
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use Yii;
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use yii\helpers\Html;
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use yii\helpers\HtmlPurifier;
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class Utils
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{
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/**
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* 内容过滤，防止xss的问题
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* @param string $content 内容
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*/
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public static function htmlTagFilter($content)
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{
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$content = trim($content);
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return HtmlPurifier::process($content);
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}
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/**
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* 变量形式转换
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* 下划线转驼峰
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* 注：变量需要小写
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*/
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public static function underline2hump($str){
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$str = preg_replace_callback('/([-_]+([a-z]{1}))/i',function($matches){
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return strtoupper($matches[2]);
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},$str);
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return $str;
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}
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/**
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* 变量形式转换
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* 驼峰转为下划线
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*/
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public static function hump2underline($str){
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$str = preg_replace_callback('/([A-Z]{1})/',function($matches){
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return '_'.strtolower($matches[0]);
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},$str);
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return $str;
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}
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/**
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* 字符串脱敏
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* @param string $content 需要脱敏字符串
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* @param int $start 脱敏开始位置
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* @param int $len 长度，如果为负值，从右向左偏移位
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* @param string $char 脱敏替换字符
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*/
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public static function stringDesensitization($content,$start = 0, $len = 1, $char = '*')
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{
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$str_len = mb_strlen($content,'utf-8');
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if($len < 0){
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$end = $str_len + $len -1;
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} else {
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$end = $start + $len - 1;
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}
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$end = $end > $str_len ? $str_len : $end;
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$str = '';
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if($str_len <= 2){
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$str = mb_substr($content, 0,1,'utf-8') . $char . mb_substr($content, 1, 1,'utf-8');
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} else {
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for($i = 0; $i < $str_len; $i++){
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if($i >= $start && $i <= $end){
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$str .= $char;
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} else {
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$str .= mb_substr($content, $i, 1,'utf-8');
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}
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}
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}
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return $str;
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}
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/**
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* ip地址判断
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* @param String $gonten 需要判断的字符串
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* @return ture or false
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*/
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public static function isIp($gonten){
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$ip=explode(".",$gonten);
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for($i=0;$i<count($ip);$i++)
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{
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if($ip[$i]>255){
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return false;
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}
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}
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return ereg("^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$",$gonten);
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}
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//字符串格式化
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public static function stringFormat($content,$args)
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{
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$content = trim($content);
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if(empty($content) || !is_array($args)){
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return false;
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}
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preg_match_all('/{{}}/',$content,$matches);
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$replace = '{{}}';
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for ($i = 0; $i < count($matches[0]); $i++){
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$pos = strpos($content, $replace);
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if($pos !== false && array_key_exists($i, $args)){
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$len = strlen($replace);
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$content = substr_replace($content, $args[$i],$pos, $len);
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}
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}
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return $content;
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}
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/**
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* 距离格式化
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* @param number $distance 距离
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* @param boolean $km 是否为千米，默认为米
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* return string
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*/
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public static function distanceFormat($distance, $km = false)
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{
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$distance = $km ? $distance * 1000 : $distance;
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if ($distance > 1000) {
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$distance = round($distance / 1000, 2) . 'km';
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} else {
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$distance .= 'm';
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}
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return $distance;
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}
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/**
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* 根据起点坐标和终点坐标测距离
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* @param [array] $from [起点坐标(经纬度),例如:array(118.012951,36.810024)]
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* @param [array] $to [终点坐标(经纬度)]
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* @param [bool] $km 是否以公里为单位 false:米 true:公里(千米)
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* @param [int] $decimal 精度 保留小数位数
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* @return [string] 距离数值
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*/
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public static function getDistance($from, $to, $km = true, $decimal = 2)
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{
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sort($from);
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sort($to);
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$EARTH_RADIUS = 6370.996; // 地球半径系数
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$distance = $EARTH_RADIUS * 2 * asin(sqrt(pow(sin(($from[0] * pi() / 180 - $to[0] * pi() / 180) / 2), 2) + cos($from[0] * pi() / 180) * cos($to[0] * pi() / 180) * pow(sin(($from[1] * pi() / 180 - $to[1] * pi() / 180) / 2), 2))) * 1000;
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if ($km) {
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$distance = $distance / 1000;
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}
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return round($distance, $decimal);
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}
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/**
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* 版本比较（主版本号.次版本号.修订版本号）
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* @param string $version1 待比较版本号
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* @param string $version2 待比较版本号
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* return 0|1|-1，1=大于，0=等于，-1=小于
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*/
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public static function compareVersion($version1, $version2)
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{
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$version1_arr = explode('.', $version1);
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$version2_arr = explode('.', $version2);
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$len = max([count($version1_arr), count($version2_arr)]);
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while(count($version1_arr) < $len){
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array_push($version1_arr,0);
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}
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while(count($version2_arr) < $len){
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array_push($version2_arr,0);
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}
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for($i = 0 ; $i < $len; $i++){
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$num1 = intval($version1_arr[$i]);
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$num2 = intval($version2_arr[$i]);
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if($num1 > $num2){
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return 1;
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} else if($num1 < $num2){
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return -1;
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}
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}
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return 0;
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}
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/**
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* 获取视频信息
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* @param string $file 视频文件路径
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* @param string $ffmpeg_path ffmpeg路径
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* return array
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*/
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public static function getVideoInfo($file, $ffmpeg_path = "/usr/local/bin/ffmpeg")
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{
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$wwwroot = Yii::getAlias('@webroot');
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$cmd = "cd {$wwwroot} && {$ffmpeg_path} -i '{$file}' 2>&1";
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ob_start();
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passthru($cmd);
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$info = ob_get_contents();
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ob_end_clean();
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$data = [];
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if (preg_match("/Duration: (.*?), start: (.*?), bitrate: (\d*) kb\/s/", $info, $match)) {
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$data['duration'] = $match[1]; //播放时间
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$arr_duration = explode(':', $match[1]);
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$data['seconds'] = $arr_duration[0] * 3600 + $arr_duration[1] * 60 + $arr_duration[2]; //转换播放时间为秒数
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$data['start'] = $match[2]; //开始时间
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$data['bitrate'] = $match[3]; //码率(kb)
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}
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if (preg_match("/Video: (.*?), (.*?), (.*?)[,\s]/", $info, $match)) {
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$data['vcodec'] = $match[1]; //视频编码格式
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$data['vformat'] = $match[2]; //视频格式
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$data['resolution'] = $match[3]; //视频分辨率
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$arr_resolution = explode('x', $match[3]);
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$data['width'] = $arr_resolution[0];
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$data['height'] = $arr_resolution[1];
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}
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if (preg_match("/Audio: (\w*), (\d*) Hz/", $info, $match)) {
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$data['acodec'] = $match[1]; //音频编码
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$data['asamplerate'] = $match[2]; //音频采样频率
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}
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if (isset($data['seconds']) && isset($data['start'])) {
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$data['play_time'] = $data['seconds'] + $data['start']; //实际播放时间
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}
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$data['size'] = filesize($file); //文件大小
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return $data;
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}
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/**
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* 提取视频封面
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* @param string $file 视频文件路径
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* @param string $output 提取图片保存路径
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* @param string $ffmpeg_path ffmpeg路径
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* return string|null
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*/
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public static function getVideoCover($file, $output, $time_offset = '00:00:1.18', $size = null, $ffmpeg_path = "/usr/local/bin/ffmpeg")
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{
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if(file_exists($output)){
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return $output;
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}
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$wwwroot = Yii::getAlias('@webroot');
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if($size == null){
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$cmd = "cd {$wwwroot} && {$ffmpeg_path} -ss {$time_offset} -i '{$file}' -vframes 1 -f image2 -y {$output}";
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} else {
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$cmd = "cd {$wwwroot} && {$ffmpeg_path} -ss {$time_offset} -i '{$file}' -vframes 1 -s {$size} -f image2 -y {$output}";
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}
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ob_start();
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passthru($cmd);
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$info = ob_get_contents();
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ob_end_clean();
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if(file_exists($output)){
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return $output;
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}
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return null;
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}
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/**
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* 目录创建（递归创建）
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*/
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public static function mkDir($dir, $mode = 0777)
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{
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return is_dir($dir) or self::mkDir(dirname($dir), $mode) and mkdir($dir, $mode);
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}
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} |