10个超级有用的PHP代码片段果断收藏
发布:smiling 来源: PHP粉丝网 添加日期:2021-06-18 23:55:47 浏览: 评论:0
PHP是一种HTML内嵌式的语言,是一种在服务器端执行的嵌入HTML文档的脚本语言。在PHP代码库中包含了无数个有用的PHP代码片段,每位开发者都需要不断完善自己的“工具箱”。有了这些代码片段可以为你节省大量的时间,一起来看下。
本文小编将为你奉上10个超级有用的PHP代码片段。
1.查找Longitudes与Latitudes之间的距离
- function getDistanceBetweenPointsNew($latitude1, $longitude1, $latitude2, $longitude2) {
- $theta = $longitude1 - $longitude2;
- $miles = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));
- $miles = acos($miles);
- $miles = rad2deg($miles);
- $miles = $miles * 60 * 1.1515;
- $feet = $miles * 5280;
- $yards = $feet / 3;
- $kilometers = $miles * 1.609344;
- $meters = $kilometers * 1000;
- return compact('miles','feet','yards','kilometers','meters');
- }
- $point1 = array('lat' => 40.770623, 'long' => -73.964367);
- $point2 = array('lat' => 40.758224, 'long' => -73.917404);
- $distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']);
- foreach ($distance as $unit => $value) {
- echo $unit.': '.number_format($value,4).'
- ';
- }
- The example returns the following:
- miles: 2.6025
- feet: 13,741.4350
- yards: 4,580.4783
- kilometers: 4.1884
- meters: 4,188.3894
2.完善cURL功能
- function xcurl($url,$ref=null,$post=array(),$ua="Mozilla/5.0 (X11; Linux x86_64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre",$print=false) {
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_AUTOREFERER, true);
- if(!emptyempty($ref)) {
- curl_setopt($ch, CURLOPT_REFERER, $ref);
- }
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_HEADER, 0);
- curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
- if(!emptyempty($ua)) {
- curl_setopt($ch, CURLOPT_USERAGENT, $ua);
- }
- if(count($post) > 0){
- curl_setopt($ch, CURLOPT_POST, 1);
- curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
- }
- $output = curl_exec($ch);
- curl_close($ch);
- if($print) {
- print($output);
- } else {
- return $output;
- }
- }
3.清理用户输入
- ]*?>.*?@si', // Strip out javascript
- '@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags
- '@]*?>.*?@siU', // Strip style tags properly
- '@@' // Strip multi-line comments
- );
- $output = preg_replace($search, '', $input);
- return $output;
- }
- ?>
- $val) {
- $output[$var] = sanitize($val);
- }
- }
- else {
- if (get_magic_quotes_gpc()) {
- $input = stripslashes($input);
- }
- $input = cleanInput($input);
- $output = mysql_real_escape_string($input);
- }
- return $output;
- }
4.通过IP(城市、国家)检测地理位置
- function detect_city($ip) {
- $default = 'Hollywood, CA';
- if (!is_string($ip) || strlen($ip) < 1 || $ip == '127.0.0.1' || $ip == 'localhost') $ip = '8.8.8.8'; $curlopt_useragent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)'; $url = 'http://ipinfodb.com/ip_locator.php?ip=' . urlencode($ip); $ch = curl_init(); $curl_opt = array( CURLOPT_FOLLOWLOCATION => 1,
- CURLOPT_HEADER => 0,
- CURLOPT_RETURNTRANSFER => 1,
- CURLOPT_USERAGENT => $curlopt_useragent,
- CURLOPT_URL => $url,
- CURLOPT_TIMEOUT => 1,
- CURLOPT_REFERER => 'http://' . $_SERVER['HTTP_HOST'],
- );
- curl_setopt_array($ch, $curl_opt);
- $content = curl_exec($ch);
- if (!is_null($curl_info)) {
- $curl_info = curl_getinfo($ch);
- }
- curl_close($ch);
- if ( preg_match('{
- City : ([^<]*)
- }i', $content, $regs) ) { $city = $regs[1]; } if ( preg_match('{
- State/Province : ([^<]*)
- }i', $content, $regs) ) { $state = $regs[1]; } if( $city!='' && $state!='' ){ $location = $city . ', ' . $state; return $location; }else{ return $default; } }
5.设置密码强度
- 100){
- $strength = 100;
- }
- return $strength;
- }
- var_dump(password_strength("Correct Horse Battery Staple"));
- echo "
- ";
- var_dump(password_strength("Super Monkey Ball"));
- echo "
- ";
- var_dump(password_strength("Tr0ub4dor&3"));
- echo "
- ";
- var_dump(password_strength("abc123"));
- echo "
- ";
- var_dump(password_strength("sweet"));
6.检测浏览器语言,只提供可用的$availableLanguages作为数组(‘en', ‘de', ‘es')
- function get_client_language($availableLanguages, $default='en'){
- if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
- $langs=explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
- //start going through each one
- foreach ($langs as $value){
- $choice=substr($value,0,2);
- if(in_array($choice, $availableLanguages)){
- return $choice;
- }
- }
- }
- return $default;
- }
7.创建数据URL
- function data_uri($file, $mime) {
- $contents=file_get_contents($file);
- $base64=base64_encode($contents);
- echo "data:$mime;base64,$base64";
- }
8.创建更加友好的页面标题SEO URL
输入示例:$title = “This foo's bar is rockin' cool!”; echo makeseoname($title); //RETURNS: //this-foos-bar-is-rockin-cool
- function make_seo_name($title) {
- return preg_replace('/[^a-z0-9_-]/i', '', strtolower(str_replace(' ', '-', trim($title))));
- }
9.终极加密功能
- // f(ucking) u(ncrackable) e(ncryption) function by BlackHatDBL (www.phpfensi.com)
- function fue($hash,$times) {
- // Execute the encryption(s) as many times as the user wants
- for($i=$times;$i>0;$i--) {
- // Encode with base64...
- $hash=base64_encode($hash);
- // and md5...
- $hash=md5($hash);
- // sha1...
- $hash=sha1($hash);
- // sha256... (one more)
- $hash=hash("sha256", $hash);
- // sha512
- $hash=hash("sha512", $hash);
- }
- // Finaly, when done, return the value
- return $hash;
- }
10a.Tweeter Feed Runner——使用任意twitter名,可在任意页面上加载用户资源。
- pversion;
- }
- public function loadTimeline($user, $max = 20){
- $this->twitURL .= 'statuses/user_timeline.xml?screen_name='.$user.'&count='.$max;
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $this->twitURL);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- $this->xml = curl_exec($ch);
- return $this;
- }
- public function getTweets(){
- $this->twitterArr = $this->getTimelineArray();
- $tweets = array();
- foreach($this->twitterArr->status as $status){
- $tweets[$status->created_at->__toString()] = $status->text->__toString();
- }
- return $tweets;
- }
- public function getTimelineArray(){
- return simplexml_load_string($this->xml);
- }
- public function formatTweet($tweet){
- $tweet = preg_replace("/(http(.+?))( |$)/","$1$3", $tweet);
- $tweet = preg_replace("/#(.+?)(\h|\W|$)/", "#$1$2", $tweet);
- $tweet = preg_replace("/@(.+?)(\h|\W|$)/", "@$1$2", $tweet);
- return $tweet;
- }
- }
10b. Tweeter Feed Runner——用于在主题中创建文件,比如:example.php
- loadTimeline("phpsnips")->getTweets();
- foreach($feed as $time => $message){
- echo "<div class='tweet'>".$twitter->formatTweet($message)."<br />At: ".$time."</div>";
- }
直接拿来用,10个PHP代码片段,还犹豫什么,果断收藏吧。
Tags: PHP代码片段
- 上一篇:php实现简单的MVC框架实例
- 下一篇:PHP易混淆知识整理笔记
相关文章
- ·非常实用的PHP代码片段(2014-07-03)
- ·非常有用的9个PHP代码片段(2019-10-04)
- ·9个比较实用的php代码片段(2019-11-18)
- ·9个经典的PHP代码片段分享(2021-05-04)
- ·9个实用的PHP代码片段分享(2021-05-08)
- ·10个超级有用值得收藏的PHP代码片段(2021-05-08)
- ·6个超实用的PHP代码片段(2021-06-16)
- ·又十个超级有用的PHP代码片段(2021-06-19)
推荐文章
热门文章
最新评论文章
- 写给考虑创业的年轻程序员(10)
- PHP新手上路(一)(7)
- 惹恼程序员的十件事(5)
- PHP邮件发送例子,已测试成功(5)
- 致初学者:PHP比ASP优秀的七个理由(4)
- PHP会被淘汰吗?(4)
- PHP新手上路(四)(4)
- 如何去学习PHP?(2)
- 简单入门级php分页代码(2)
- php中邮箱email 电话等格式的验证(2)