257 lines
6.4 KiB
PHP
257 lines
6.4 KiB
PHP
<?php
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function real_ip(){
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//获取用户真实IP
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$ip = $_SERVER['REMOTE_ADDR'];
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if(isset($_SERVER['HTTP_X_FORWARDED_FOR']) && preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
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foreach ($matches[0] AS $xip) {
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if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) {
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$ip = $xip;
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break;
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}
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}
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} elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
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$ip = $_SERVER['HTTP_CLIENT_IP'];
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} elseif (isset($_SERVER['HTTP_CF_CONNECTING_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CF_CONNECTING_IP'])) {
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$ip = $_SERVER['HTTP_CF_CONNECTING_IP'];
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} elseif (isset($_SERVER['HTTP_X_REAL_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_X_REAL_IP'])) {
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$ip = $_SERVER['HTTP_X_REAL_IP'];
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}
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return $ip;
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}
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?>
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<?php
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//随机小数
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function randomFloat($min = 0, $max = 1) {
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return '0.'.rand($min,$max);
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}
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?>
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<?php
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/**
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* 转换HTML代码函数
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*
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* @param unknown_type $content
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* @param unknown_type $wrap 是否换行
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*/
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function htmlClean($content, $nl2br = true) {
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$content = htmlspecialchars($content, ENT_QUOTES, 'UTF-8');
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if ($nl2br) {
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$content = nl2br($content);
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}
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$content = str_replace(' ', ' ', $content);
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$content = str_replace("\t", ' ', $content);
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return $content;
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}
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?>
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<?php
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/**
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* 时间转化函数
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*
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* @param $datetemp
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* @param $dstr
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* @return string
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*/
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function smartDate($datetemp, $dstr = 'Y-m-d H:i:s') {
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$op = '';
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$sec = time() - $datetemp;
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$hover = floor($sec / 3600);
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if ($hover == 0) {
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$min = floor($sec / 60);
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if ($min == 0) {
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$op = $sec . ' 秒前';
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} else {
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$op = "$min 分钟前";
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}
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} elseif ($hover < 24) {
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$op = "约 {$hover} 小时前";
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} else {
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$op = date($dstr, $datetemp);
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}
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return $op;
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}
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?>
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<?php
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function getParam($m,$n=''){
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//获取get 或者 post请求的值，这里判断了字符串并清除所有特殊字符
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return trim($m&&is_string($m)?isset($_POST[$m])?$_POST[$m]:(isset($_GET[$m])?$_GET[$m]:$n):$n);
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}
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?>
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<?php
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function echoJson($o){
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//兼容jsonp请求，最后输出值
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$p=getParam('callback');
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if($p!=''){
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die($p.'('.$o.')');
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}else{
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die($o);
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}
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}
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?>
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<?php
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//ip黑名单
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function ipadmin($ip,$ip_admin){
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$ipblack = explode(",",$ip_admin);
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if (in_array($ip, $ipblack)){
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return true;
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}else{
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return false;
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}
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}
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?>
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<?php
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/**
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* 页面跳转
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*/
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function Jump($directUrl) {
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header("Location: $directUrl");
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exit;
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}
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?>
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<?php
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//相关工具
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function mores($name,$type,$url){?>
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<style>
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.more ul{list-style:none;margin:0;padding-right:40px;}
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.more li{display:inline;padding: 0px 2px 0px 2px;}
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</style>
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<div class="table text-center more">
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<ul>
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<li>更多相关工具:</li>
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<?php foreach($type as $ag){
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if($name!=$ag['tools_url']){echo '<li><a href="'.$url.'/'.$ag['tools_url'].'" id="more" >'.$ag['title'].'</a></li>';}
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}?>
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</ul>
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</div>
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<?php }?>
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<?php
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function generate_password( $length = 8 ) {
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$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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$password = "";
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for ( $i = 0; $i < $length; $i++ )
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{
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$password .= $chars[ mt_rand(0, strlen($chars) - 1) ];
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}
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return $password;
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}
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?>
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<?php
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function curl_request($url,$post='',$cookie='', $returnCookie=0,$ua='Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)',$referer='http://baidu.com/'){
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//curl模拟请求
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//参数1：访问的URL，参数2：post数据(不填则为GET)，参数3：提交的$cookies,参数4：是否返回$cookies，参数5：自定义UA，参数6：自定义来路
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $url);
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curl_setopt($curl, CURLOPT_USERAGENT, $ua);
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
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curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
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curl_setopt($curl, CURLOPT_REFERER, $referer);
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if($post) {
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curl_setopt($curl, CURLOPT_POST, 1);
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curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));
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}
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if($cookie) {
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curl_setopt($curl, CURLOPT_COOKIE, $cookie);
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}
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curl_setopt($curl, CURLOPT_HEADER, $returnCookie);
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curl_setopt($curl, CURLOPT_TIMEOUT, 10);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
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$data = curl_exec($curl);
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if (curl_errno($curl)) {
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return curl_error($curl);
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}
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curl_close($curl);
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if($returnCookie){
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list($header, $body) = explode("\r\n\r\n", $data, 2);
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preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches);
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$info['cookie'] = substr($matches[1][0], 1);
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$info['content'] = $body;
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return $info;
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}else{
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return $data;
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}
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}
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?>
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<?php
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//Unescape解码
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function utf8_urldecode($str)
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{
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$str = preg_replace("/%u([0-9a-f]{3,4})/i","&#x\\1;",urldecode($str));
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return html_entity_decode($str,null,'UTF-8');;
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}
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?>
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<?php
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/**
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* 判断是否为邮箱
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* @param string $email 邮箱地址
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* @return boolean 返回真假
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*/
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function isEmail($email){
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$mode = '/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/';
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if(preg_match($mode,$email)){
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return true;
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}
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else{
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return false;
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}
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}
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?>
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<?php
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/**
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* 获取网络附件
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* @param string $url 网络地址
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* @param string $save_dir 保存目录
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* @param string $filename 保存名称
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* @param integer $type 下载类型1为curl下载
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* @return array 返回数组保存目录及名称
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*/
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function getFile($url, $save_dir = '', $filename = '', $type = 0) {
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if (trim($url) == '') {
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return false;
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}
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if (trim($save_dir) == '') {
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$save_dir = './';
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}
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if (0 !== strrpos($save_dir, '/')) {
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$save_dir.= '/';
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}
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//创建保存目录
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if (!file_exists($save_dir) && !mkdir($save_dir, 0777, true)) {
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return false;
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}
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//获取远程文件所采用的方法
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if ($type) {
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$ch = curl_init();
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$timeout = 5;
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
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$content = curl_exec($ch);
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curl_close($ch);
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} else {
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ob_start();
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readfile($url);
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$content = ob_get_contents();
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ob_end_clean();
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}
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$size = strlen($content);
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//文件大小
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$fp2 = @fopen($save_dir . $filename, 'a');
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fwrite($fp2, $content);
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fclose($fp2);
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unset($content, $url);
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return array(
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'file_name' => $filename,
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'save_path' => $save_dir . $filename
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);
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}
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?>
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