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Curl was relatively stable before grabbing the page, but then it outputted an empty page.

http://live.500.com/2h1.php This is the address. I have constructed the IP origin and browser header file, etc. How can I crawl this URL function curl_file_get_contents_nossl($durl){ $r = rand(80,255); $useragent = array( 'Mozilla/4.0 (compatible; MSIE

-Yang 2019-09-14 13:34:13

How to protect click to chat Whatsapp button from bot web scraping?

I'm running a classified website where people can post their items and others can contact them via Whatsapp for more details. Today my website came under attack and I saw a huge amount of link clicks on the Whatsapp button in Google Analytics, it can't be artificial. I think it's some bot grabbing t...

P粉786800174 2023-09-03 12:52:21

javascript - About ajax, secure processing of data captured by front-end jq

Regarding ajax and data sources, I usually use jq notes to directly throw the value that needs to be posted into an element, and then grab it. In this way, use the browser console to change the page attributes, and the value of the ajax post is also changed. Although I use php in the backend to dete...

漂亮男人 2017-05-16 13:16:33

thinkphp returns database data all as strings

I use mamp for local development. There is no problem with the data retrieved from the database. The database is defined as a numeric type and the returned value is also a numeric type. For example: id: 35, but when I deployed it to the server, I used centos+nginx+php. At this time, I found that all...

星星蓝蓝 2019-04-08 16:59:40

Trying to access array offset of value of type bool in PHP 7.4

I just upgraded my server's PHP version to PHP7.4.1 and now I'm getting this error: NOTE: Trying to access array offset on value of type bool publicstaticfunctionread($id){$Row=MySQL::query("SELECT`Data` FROM`cb_sessions`WHERE`SessionID`='$id'",TRUE);#http://php.net/manua

P粉846294303 2023-08-24 09:06:21

php - How does laravel get a custom class through the container and pass parameters?

Now the company's business needs to add a services layer based on the C layer to replace the controller for part of the business processing. So I created a new Services folder in the app directory, and then called: $services = App:: in the c layer controller. make('The complete class name of the ser...

滿天的星座 2017-05-16 12:59:28

How to get the Id of a checked circle input in php?

I'm making a php email sender and I'm stuck. Part of the form is the radio input and the user needs to select one of them. I need to get the id of the element and write it into the email (eg: "Room Type: Room2"). <divid="roomsContainer"><inputtype="radio"name=&...

P粉935883292 2023-09-07 12:40:39

ubuntu16.04 - How to use tools such as apt-mirror to cache ppa:ondrej/php to the local server in ubuntu?

Friends who develop PHP know that before you run apt-get install php7.1-fpm, you must first add the source. The usual method is: add-apt-repository ppa:ondrej/php. Originally, this step is nothing. It’s inappropriate, but it’s too slow! ! So, I want to ask...

扔个三星炸死你 2017-06-14 10:50:02

Open source PHP novice entry-level framework WillPHP (similar to ThinkPHP)

WillPHP is a lightweight development and learning MVC framework, an entry-level framework for PHP newbies (similar to ThinkPHP). ###Lightweight and extremely fast size 211KB (uncompressed), 22 initial files loaded (15 with page cache enabled), memory overhead <100KB. ###Main functions: automatic ...

P粉605904125 2022-07-23 16:30:16

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38