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Confirm that PHP static variables do not persist across requests

I'm looking for the guarantee that static variables are not stored between PHP requests. Here's a previous question: PHP static variables across multiple .php pages Do static variables in php persist across requests? Cross-session static variables explicitly say they are not, but they are more of a ...

P粉567281015 2023-10-30 09:06:47 0  1  903

Regarding the issue between the number of php-fpm processes and the number of instantaneous dynamic requests

There are 100 php-fpm processes on the machine, and 101 dynamic requests arrive at the same time. Should PHP wait for php-fpm to become free, or directly report a 502 error? I prefer to report a 502 error directly. If it is waiting for php-fpm to be idle, what is its logic? Found the answer 502

給我你的懷抱 2017-06-29 10:08:24 0  1  815

How do PHP and MySQL handle concurrent requests?

I must be missing something about how PHP/Symfony handles concurrent requests, or perhaps how potentially concurrent queries on the database are handled... This code seems to be doing the impossible - it does it randomly (about once a month ) creates a copy of the new entity at the bottom. My conclu...

P粉037215587 2023-09-05 12:17:19 0  1  744

nginx - Tens of millions of requests to a php from different IPs, is this a CC attack? How to prevent it?

As mentioned, static files can be accessed normally, but PHP does not respond. Looking at the nginx log, the same PHP URL is being requested in large numbers. Currently, there are 5 load balancers handling it. Each one has millions of requests every day, and the IP addresses are different. . For the...

世界只因有你 2017-05-16 17:16:21 0  2  604

[php] Does PHP have a class library that requests restful interface?

I previously developed a handwritten curl method to support get and post requests. Now I want to use the put and delete methods. I want to find a class library that is specifically responsible for requests. Is there any? It is best to install it through composer, thank you

ringa_lee 2017-06-10 09:47:29 0  3  985

javascript - How to use node and php to achieve front-end and back-end separation, are there any specific examples?

As the middle layer, node accepts the browser's request, then requests the PHP API interface to splice HTML and return it to the browser.

大家講道理 2017-05-16 13:02:40 0  1  376

The PHP programmer toolbox provided by your website seems to have a Trojan horse

Why? I use the PHP Programmer Toolbox locally and configure the PHP environment. I create a new 1.html empty file and there is nothing. How to monitor http requests? There are more than two requests in the network, pointing to the website jietu365.com respectively. So I left the web environment and ...

A吳亮 2018-07-17 09:07:59 0  5  1903

PHP-FPM smooth restart causes nginx error, what is the problem?

For a smooth restart of php-fpm, the kill -USR2 operation should theoretically be lossless for Nginx requests, but there is still an error_log {code...} during the restart.

迷茫 2017-05-16 17:17:02 0  1  734

nginx random response function

When the client interacted with the server, there was a timing design error, which caused the server to receive more than 300,000 requests in 10 minutes. The pressure on the PHP backend suddenly increased and collapsed. The current solution is that since repeated requests within a short period of ti...

我想大聲告訴你 2017-05-16 17:25:34 0  2  641

PHP asynchronously requests API and rolls back directly after failure

After PHP operates the DB, it will request the API interfaces of two other services. Now there is a question, if the request fails, how to roll back the DB? Methods other than rolling back the database

淡淡煙草味 2017-05-16 13:13:11 0  3  512

Google Drive PHP API pagination not working when using different requests

I'm using GoogleDrivePHPAPI in a Laravel (v9.0) project. Regarding pagination, I hope to have the following process: get the first page of the file and return it to the front end; when the user scrolls to the bottom of the page, the front end requests the next page of files; the backend receives the...

P粉993712159 2023-09-06 15:00:23 0  1  675

php - Why does curl's continuous requests cause failure to obtain data?

It is necessary to simulate login, obtain cookies and other operations in advance. Then, for example, a loop requests two addresses a and b: {code...} Suppose a returns 3 pieces of data and b returns 10 pieces of data. Now the question is, use a while loop to request these two addresses. No matter h...

ringa_lee 2017-05-16 13:03:31 0  6  1289

"Can an active PHP session cause a 504 error?"

My Nginx dedicated server has 4 CPU cores and 16GB of memory, the resources should be sufficient, but due to limitations related to the CPU and the PHP subprocess, it crashes frequently (with a 504 error). I'm trying to find the reason. In WordPress, I have the following warning: A PHP session was c...

P粉970736384 2023-09-08 22:05:29 0  1  778

javascript - How to solve the error when PHP requests http post page?

Code: {Code...} During execution, two errors will be reported. (1) SSL certificate problem: unable to get local issuer certificate. After adding the following two lines of code to the php.ini file, this error disappears. {Code...} (2) After the above error disappears,...

PHP中文網(wǎng) 2017-05-16 13:16:17 0  5  621

php - How to ensure data security when one operation requests multiple services?

An order operation to purchase goods. To simultaneously reduce user points, insert an order. In the same library, pessimistic locking can be added to the points table to prevent concurrently generated data from being read multiple times. Now that HTTP is used to request points service and order serv...

我想大聲告訴你 2017-05-25 15:08:18 0  3  957

php - How to solve the problem of slow response of laravel requests?

Using php7.0, Apache+mysql to develop a laravel program, but each request takes a long time, more than 1 second. Even extending opcache cannot solve the problem. What should I do? The code is as follows: (20 items of data in the data table) {code...} Here, if dd($test) is used, the time is 380ms, wh...

世界只因有你 2017-05-16 12:02:04 0  2  628

What happens when the network is disconnected when nginx accepts a post request?

The environment uses nginx+php-fpm, and the data requested by post are sent in data=json format, but the json format data in some requests is missing. {Code...} Where should I start when this happens?

大家講道理 2017-05-16 17:25:09 0  1  772

In the window environment of Xiaopi (phpstudy_pro), how to expand nginx and open php-fastcgi

When concurrency occurs, phpstudy_pro's nginx can only open a dozen php-fastcgi. This will cause subsequent requests to be queued. But the server memory and CPU configuration are sufficient. How to let him open hundreds of fastcgi in the window system?

大 2023-04-10 13:54:55 0  0  749

Ajax requests php, and strange red dots appear in front of the returned information.

Has anyone experienced this kind of situation?

黃舟 2017-05-16 13:16:52 0  5  441

An error occurred in the file upload operation in laravel5.1

The following is the code (I would like to ask how to modify it. I am a novice, thank you all in advance!): <?php namespace App\Http\Controllers; use Illuminate\Http\Request; use App\Http\Requests; class RequestController extends Control...

為情所困 2017-05-16 16:53:51 0  2  762