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PHP nested function and anonymous function scope issues

{Code...} All functions and classes in PHP have global scope and can be defined within a function and called outside it, and vice versa. Why can function b obtain the local variables of function a by passing parameters? {Code...} Similarly, why does the anonymous function also obtain external variab...

phpcn_u1582 2017-05-18 10:45:34 0  1  733

Generate Brocken metadata classes on alpine Docker image via protobuf

A while ago I used an ubuntu image to generate PHP files via protoclib and it generated some metadata classes containing the normal hashes used by protobuf. It is generated as follows: namespaceMyApp\ProtobufMetadata\Schema\v1;classRequest{publicstatic$is_initialized=false;publicstaticfunctioninitOn...

P粉824889650 2024-02-17 15:33:51 0  1  528

Decoding your application's database connection: Looking for help

I'm new to Php and have recently been given a job with some application (php/laravel) running on a server (AWS) using MySQL and RDS and hosted by nginx app/php content which is defined in / The file server{server_namemytable.sa;http2_max_field_size64k;http2_max_header_size512k found in etc/nginx/con...

P粉551084295 2024-04-02 12:19:18 0  2  686

Interface Document - How does the java background interface conveniently return restful data?

When using spring mvc, the json data you pass to the front end (ios/android) is converted to beans by spring, right? Are these beans all defined java classes? Because I feel that the json required by the front-end is very flexible. If the back-end is encapsulated with several large and complete bean...

PHP中文網(wǎng) 2017-05-27 17:39:59 0  2  843

What is the difference between PHP class declaration and instantiation?

I am a newbie. I found that many tool classes can be used by directly declaring them. For example, {code...} in laravel makes me confused. Does declaring a class variable instantiate the code? After searching on Baidu, no one asked about this issue in PHP language, only Java, and Java is like this.....

習(xí)慣沉默 2017-05-16 13:10:23 0  2  566

python - Can I still use modles.py to operate mysql after using pymysql in django?

My environment is: Python3.6 + django1.11.1 + mysql. I use pymysql. When I learned it before, I used sqlite3. Now I use pymysql. Should I still create tables by defining classes in models.py? Why do I write like this and then execute {code...} and it doesn't work in mysql...

扔個(gè)三星炸死你 2017-06-12 09:23:48 0  3  1443

Android bug - In Android, why can't intent initialization be written outside the method?

beginner. Today I wrote a code to jump between activities, using an explicit intent, but I defined an intent member variable in the class, and when I used it in the method, the program crashed. Why is this? {Code...} The above code, but the error message is: Caused by: ...

伊謝爾倫 2017-05-16 13:35:09 0  3  1020

The difference between return '' and return in PHP

I tried it, and the results returned by var_dump were all NUll. After searching on Baidu, there was no clear answer. I saw that return '' seems to be used more often in the codes written by others. What is the difference between return '' and return in PHP?

為情所困 2017-05-31 10:34:30 0  2  876

How to make php composer a common tool for the whole company

How can php composer be made a common tool for the whole company? Can any experienced students share their experience, what points should be focused on, or general ideas. Thank you. There are many systems in the company, and the public libraries used by each system are also very different. They are ...

我想大聲告訴你 2017-06-16 09:18:43 0  3  959

PHP connects to the database, mysql_connect cannot be used

PHP connects to the database. The integrated environment used by mysql_connect cannot be used. There is no text in the red box originally. Baidu query added it and the file is in the folder. There is no problem with mysql. . Please tell me, God, what is the reason for this?

A? 葉 2019-12-16 17:42:17 0  2  1218

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...

星星藍(lán)藍(lán) 2019-04-08 16:59:40 0  5  1536

PHP master looks at an array problem

{Code...} The data in the data inventory is like this ['7','2'] 7 represents the product id and 2 represents the quantity of the product purchased. Now how can I restore it to an array that can be used by PHP?

高洛峰 2017-06-08 11:01:38 0  7  966

How to get the root directory of the website in php?

I used to learn Java by using <%=request.getContextPath()%> to get the site root directory. Now I am confused when learning PHP and use <a href="<%=request.getContextPath()%>/html/ main/main.jsp">Homepage</a></span>How to write PHP?

Labmem No.000 2017-10-21 00:49:18 0  2  1367

How to create a dynamic CSS system in a Vue 3 application?

I'm developing an application that will be used by many different clients, but "themes" cannot be shared between clients because their color schemes are considered proprietary and confidential, although I know this sounds ridiculous. Now, the color is defined in the main App.vue component ...

P粉826283529 2024-01-07 19:49:37 0  1  641

How to use csrf_token in non-views in Laravel

Dear Masters, how do you use csrf_token in Laravel without viewing it? I wrote a php file in public, and I wrote a form in it that needs to be submitted by post, but csrf_token cannot be used. How to solve this problem?

習(xí)慣沉默 2017-05-16 16:50:07 0  2  585

yii - After the project was upgraded to php7, there was a problem with the mongodb operation.

The project used yii1.1 and php5.5.12 before, but now PHP has been upgraded to 7.1, and the mongodb expansion has also been replaced by php_mongodb-1.2.8. Then the project reported an error when performing mongodb operations. Has anyone encountered similar problems or knows how to solve it? Please g...

高洛峰 2017-05-02 09:26:04 0  0  780

Can a PHP website deployed on IIS be debugged remotely using xdebuger in phpstorm?

Can I use xdebuger to remotely debug a PHP website deployed on IIS in phpstorm? In the past, pure PHP websites were debugged remotely. Recently, I found a site that needed to deploy IIS and found that remote debugging was not possible. Also, is the port used by xdebuger TCP or UDP?

吉祥天寶 2019-03-28 15:11:38 0  2  1230

PHP seems to ignore the default OpenSSL configuration

I need to change the OpenSSL configuration used by PHPopenssl* methods. phpinfo() reports the default openssl configuration present in /etc/ssl/openssl.cnf. But it doesn’t seem to have been used. I changed openssl.cnf so that it contains some invalid values. Running openssl from the shell fails comp...

P粉817354783 2024-02-21 15:49:35 0  1  749

Free express delivery tracking number logistics inquiry common API interface integration (Express Bird example)

With the advancement of technology and the development of the Internet industry, online shopping has become a mainstream consumption method. E-commerce platforms and ISV merchants have a lot of demand for logistics API interfaces. The express delivery number query API interface is suitable for docki...

昨日青空 2019-09-02 16:26:51 0  0  1587

php - Blade view is changed to vue, how to deal with it?

If a project uses the laravel framework, and the views created by the blade template are used in it, and now want to change the blade to use vue.js to build the view layer, what should be changed? . . Because I don't know PHP, I don't know if there is any confusion between laravel and this blade, so...

世界只因有你 2017-05-24 11:34:03 0  2  840