128 lines
3.1 KiB
PHP
128 lines
3.1 KiB
PHP
<?php
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namespace Westdc\Helpers;
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class Tools {
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/**
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* 判断是否为UUID字符串
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* @param $uuid
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* @return int
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*/
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public static function isUUID($uuid) {
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if(!is_string($uuid))
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return false;
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return preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid);
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}
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/**
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* @param $email
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* @return bool
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*/
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public static function isEmail($email){
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if(filter_var($email,FILTER_VALIDATE_EMAIL))
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return true;
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else
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return false;
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}
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/**
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* @param $cmd
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*/
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public function execBackend($cmd)
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{
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if (substr(php_uname(), 0, 7) == "Windows"){
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pclose(popen("start cmd /c ". $cmd, "r"));
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}
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else {
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exec($cmd . " > /dev/null &");
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}
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return;
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}
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/**
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* 返回的汉语文字信息在windows中是GB2312编码，需要手动改成UTF8
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* iconv("GB2312","UTF-8",$read);
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* @param $cmd
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* @return array
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*/
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public static function execFront($cmd)
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{
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$response = array();
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$handle = popen("$cmd 2>&1", 'r');
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while ($read = fread($handle, 20096)) {
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if(!mb_detect_encoding($read, 'UTF-8', true))
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iconv("GB2312","UTF-8",$read);
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$response[] = trim($read);
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}
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pclose($handle);
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flush();
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return $response;
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}
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/**
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* @return string
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*/
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static public function uuid()
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{
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return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
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// 32 bits for "time_low"
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
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// 16 bits for "time_mid"
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mt_rand( 0, 0xffff ),
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// 16 bits for "time_hi_and_version",
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// four most significant bits holds version number 4
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mt_rand( 0, 0x0fff ) | 0x4000,
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// 16 bits, 8 bits for "clk_seq_hi_res",
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// 8 bits for "clk_seq_low",
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// two most significant bits holds zero and one for variant DCE1.1
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mt_rand( 0, 0x3fff ) | 0x8000,
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// 48 bits for "node"
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
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);
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}
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/**
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* 给文件夹末尾加斜线
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* @param $directory
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* @return string
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*/
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static function dirSlash($directory){
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if(!preg_match("/(\\/|\\\)$/",$directory))
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{
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$directory.="/";
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}
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return $directory;
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}
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static function getHostLink()
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{
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$protocol = "http";
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if(strpos(strtolower($_SERVER['SERVER_PROTOCOL']),"https"))
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{
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$protocol = "https";
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}
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return $protocol."://".$_SERVER['SERVER_NAME'];
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}
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function count_size($bit)
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{
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$type = array('Bytes','KB','MB','GB','TB');
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for($i = 0; $bit >= 1024; $i++)//单位每增大1024，则单位数组向后移动一位表示相应的单位
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{
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$bit/=1024;
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}
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return (floor($bit*100)/100).$type[$i];//floor是取整函数，为了防止出现一串的小数，这里取了两位小数
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}
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} |