158 lines
3.7 KiB
PHP
158 lines
3.7 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 流年 <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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// 应用公共文件
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/**
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* 转换文件大小单位
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*
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* @param $size
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* @param $array
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*
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* @return string|array
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*/
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function format_size($size, $array = false)
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{
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if (0 == $size) {
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return "0.00 Bytes";
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}
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$unit = ['', 'K', 'M', 'G', 'T', 'P'];
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$base = 1024;
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$i = floor(log($size, $base));
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$n = count($unit);
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if ($i >= $n) {
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$i = $n - 1;
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}
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if ($array) {
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return [sprintf("%.2f", $size / pow($base, $i)), $unit[$i] . 'B'];
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}
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return sprintf("%.2f", $size / pow($base, $i)) . ' ' . $unit[$i] . 'B';
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}
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/**
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* 格式化友好时间戳
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*
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* @return false|string
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*/
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function format_time($remote, $local = null)
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{
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$timediff = (is_null($local) || $local ? time() : $local) - $remote;
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$chunks = array(
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array(60 * 60 * 24 * 365, 'year'),
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array(60 * 60 * 24 * 30, 'month'),
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array(60 * 60 * 24 * 7, 'week'),
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array(60 * 60 * 24, 'day'),
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array(60 * 60, 'hour'),
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array(60, 'minute'),
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array(1, 'second')
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);
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$name = $count ='';
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for ($i = 0, $j = count($chunks); $i < $j; $i++) {
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$seconds = $chunks[$i][0];
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$name = $chunks[$i][1];
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if (($count = floor($timediff / $seconds)) != 0) {
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break;
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}
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}
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return lang("%s {$name}%s ago", [$count, ($count > 1 ? 's' : '')]);
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}
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/**
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* 过滤逗号(去除字符串两边的逗号，并将中文逗号转换成英文逗号)
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*
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* @param string $str 字符串
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*
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* @return string
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*/
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function filter_comma($str)
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{
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return trim(str_replace("，", ",", $str), ",");
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}
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/**
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* 获取文件后缀
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*
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* @param string $name 文件名
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*
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* @return mixed
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*/
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function get_file_ext($name)
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{
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return pathinfo($name, PATHINFO_EXTENSION);
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}
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/**
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* 随机字符串
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*
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* @param int $length
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* @param string $char
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* @return bool|string
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*/
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function str_rand($length = 16, $char = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
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{
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$string = '';
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for ($i = $length; $i > 0; $i--) {
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$string .= $char[mt_rand(0, strlen($char) - 1)];
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}
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return $string;
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}
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/**
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* Make Token
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*
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* @param bool $recursion 是否递归检测 Token
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* @return string
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*/
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function make_token($recursion = true)
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{
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$token = md5('LSKY PRO' . uniqid() . time());
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if ($recursion) {
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if (\app\common\model\Users::where('token', $token)->count()) {
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return make_token(true);
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}
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}
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return $token;
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}
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/**
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* Make Url
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*
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* @param $domain
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* @param null $pathname
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* @return mixed
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*/
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function make_url($domain, $pathname = null)
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{
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$domain = rtrim($domain, '/');
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if (false === strpos($domain, 'https://') && false === strpos($domain, 'http://')) {
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$domain = 'http://' . $domain;
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}
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$query = \think\facade\Config::get('system.url_query');
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$url = str_replace('\\', '/', $domain . ($pathname ? '/' . $pathname : null));
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if ($query) $url = $url . $query;
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return $url;
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}
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/**
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* @param int $length
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* @return int
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*/
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function generate_code($length = 5)
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{
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$min = pow(10, ($length - 1));
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$max = pow(10, $length) - 1;
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return rand($min, $max);
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}
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