PHP Tutorials

Suppose there are 20 million or more strings, and there are 1000 keywords. Now you need to detect which keywords all strings hit, of course, the simplest way is a string of a string to be used to match all the keywords, but this efficiency will be

$result = [ 'a'=>[1,2], 'b'=>[1,2], 'c'=>[1,2], 'd'=>[1,2],]array_intersect_ukey( $result['a'], $result['b'], $result['c'], $result['d'],

PHP, using Curl to send a POST request, how to view the information issued by the POST request parameters, there is no other than grasping the package method. Reply content: PHP, using Curl to send a POST request, how to view the information

There are pages in the view Description,keywords,contact,etc .... These are in the database, How can I write it in one place and call it in a template? keywords;?>For example, you can output keyword information without writing it in each

File fragmentation on the cross, when the entire file is not fully uploaded to the server, how the service side to determine whether the file is a legitimate format, such as only allow uploading pictures, hacker through the tool to upload the other,

Business scenario: Suppose there are 1000 people browsing the same microblog at the same time, and these 1000 people will be like, in order to simplify, we assume that the 1000 people are like in chronological order. The likes control cannot let

$upload = new \Think\Upload();// 实例化上传类 $upload->maxSize = 3145728 ;// 设置附件上传大小 $upload->exts = array('jpg', 'gif', 'png', 'jpeg');// $upload->savePath = '/Public/Uploads/images/'; $info =

Describe your problemWhen the CSRF defense is turned on, the default value of CSRF can only be used once, the second commit is the validation does not pass, because already used, then how to do the following effect? , the page is the AJAX

How does the list of messages in descending order of time be paginated? How does the app invoke the interface to prevent duplicate data from being pulled down (paging)? Please expert guidance. I'm now using a Redis-made list Reply content:

function Url_exists ($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$url); curl_setopt($ch, CURLOPT_NOBODY, 1); // 不下载 curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); return

Controller import('Org.Net.Geetestlib'); $verify = new Geetestlib(); Error Reply content: Controller import('Org.Net.Geetestlib'); $verify = new Geetestlib(); Error Not thinkphp, but it looks like you should be

Display: Call to undefined function Yii\helpers\mb_strlen () PHP.ini in Mb_string has been opened, with the php-m display is open Should not be an extension library path issue, because mysqli is not a problem to use. Now puzzled there

function shortUrl($long_url){ $key = '123'; $base32 = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // 利用md5算法方式生成hash值 $hex = hash('md5', $long_url.$key); $hexLen = strlen($hex); $subHexLen = $hexLen / 8;

In this configuration, Phpstorm cannot prompt for methods and properties within the component. 'components'=>[ 'box'=>[ 'class'=>'frontend\components\Box' ]] Reply content: In this configuration, Phpstorm cannot prompt for methods

How to get the field values just generated in the model when using the Thinkphp model auto-completion. // 自动完成protected $_auto = array( array('rand', 'random', self::MODEL_INSERT, 'function'), // 插入的时候生成随机数 array('password', 'encrypt',

I want to do a SNS website, choose PHP Framework. Every time on the internet can see a lot of controversy, despise, say which frame is good or bad. What I want to know is, is the framework really important? Reply content: I want to do a SNS

With the Laravel 5.2 php artisan make:authThe command generated the sign-in page, and now I want to separate the registration pages for the two roles, such as "seller" and "buyer", The view is well modified, that is, two

I have added the back-end header("Access-Control-Allow-Origin:*");, but why does the front end use JS request still appear Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://nichijou.org/x. (Reason:

Always use Wampserver to do PHP development, now to use Xunsearch to do full-text search, how to build the environment under Windows Reply content: Always use Wampserver to do PHP development, now to use Xunsearch to do full-text search, how to

(....用正则提取与拼凑链接的代码...)$urlimg='http://xxx.com';$img_file = file_get_contents($urlimg);file_put_contents('test.jpg', $img_file); Re-write the question.I use the above code to download pictures.But file_get_contents ($URLIMG) wrote this directly and