pdo | Connecting to MySQL in PHP using PDO | SQL Database library
kandi X-RAY | pdo Summary
kandi X-RAY | pdo Summary
Create a Simple Database App: Connecting to MySQL with PHP.
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QUESTION
I have just started using Docker as it has been recommended to me as something that makes development easy, but so far it has been nothing but pain. I have installed docker engine (v20.10.12)
and docker composer (v 2.2.3)
as per the documentation given by docker for Ubuntu OS. Both work as intended.
Whenever I new up a new container with docker compose
, no matter the source, I have writing privilege issues to files generated by the docker container (for example a laravel application where I have used php artisan to create a controller file). I have so far pinpointed the issue to be as follows:
By default docker runs as root within the container. It "bridges" the root user to the root user on the local machine and uses root:root
to create files on the Ubuntu filesystem (my workspace is placed in ~/workspace/laravel
). Then when opening the files in an IDE (vscode
in this instance) I get the error:
ANSWER
Answered 2022-Mar-15 at 15:27In general, this is not possible, but there are workarounds (I do not recommend them for production). The superuser UID is always 0, this is written in the kernel code. It is not possible to automatically change the ownership of non-root files. In this case, when developing, you can use these methods:
If superuser rights are not required: You can create users dynamically, then docker-compose.yml:
QUESTION
In my home page, I have a search bar with a button at the top of my page and I displayed all my songs using their title from my database underneath that.
The search bar is working fine since every song title I typed, it took me to the correct detail page.
I'm just wondering how can I also click on the song title and take me to each song detail page.
Home page
...ANSWER
Answered 2022-Mar-10 at 23:34Assuming you have an id
column in the song
table. You could do something like this:
QUESTION
I have a local Docker compose stack with MariaDB, PHP-FPM and Nginx running on my machine for local development.
I can successfully access the webpages served by Nginx on http://localhost:8080/ on my browser.
I can also successfully connect to the database using TablePlus, a local GUI DB browser, on host 127.0.0.1, port 8889. It works with user root
and password root
(but weirdly enough not with any other user set as the MYSQL_USER, MYSQL_PASSWORD env variables I catch in the Docker compose).
Anyway, when I try to connect with PHP/PDO using the following PHP code, same credentials:
...ANSWER
Answered 2022-Feb-23 at 07:34As answered by @danblack, since the connection to the DB is done from inside a Docker container to another container:
Connections between containers always use not remapped ports. So the connection to the DB container needs to use internal, MariaDB standard port 3306 - not the remapped, exposed 8889 port.
The host name of the DB must be the DB container name (in this case, the MariaDB container name
mariadb-10.5
), not127.0.0.1
orlocalhost
.
So all in all the PHP/PDO connection object becomes:
QUESTION
I am creating an ecommerce, which can have Men's Fashion, Women's Fashion or Children's Fashion, it could also have more in the fure like Sports, Electronics, etc.
But I don't know if I have, for example, to repeat the categories clothes, etc for each one or not, I don't know if there is a better way. Since I must also create the dynamic menu
My table structure is like this:
...ANSWER
Answered 2022-Feb-03 at 07:22It's that ok what I'm doing, repeat for each section the same categories as clothes, Jeans, etc.?
Yes, It's perfectly okay to do that. Personally, that is what I prefer.
What would be better: To add it directly to my table the absolute path or can i do that with PHP
You can easily achieve it with PHP.
Kindly use these functions to generate the markup for the nested categories. You can modify the HTML to achieve your desired results.
QUESTION
im working on a project where a user can describe his location in multiple lines but when i press enter button for new line in input form it gets submitted into database. i feel myself stucked here. help me to get rid of this please
my html code is:
...ANSWER
Answered 2022-Jan-21 at 07:33Instead of using "" you can use "" markup. It can be easily used in forms and shouldn't submit on enter while in this text area.</p>
QUESTION
I'm using PHP FluentPDO, this query works in localhost, but not in webhosting. PHP version is 7.4, FluentPDO: "envms/fluentpdo": "^2.2"
:
ANSWER
Answered 2022-Jan-17 at 17:37PHP version is 7.4
This PHP version is no longer supported. Please upgrade to an actively supported version if you can.
PDO::FETCH_DEFAULT
is available only since PHP 8.0.7, so if you are using an earlier version, this constant will not be available.
FluentPDO version 2.2 should still support PHP 7.4, which makes this a bug in FluentPDO. There already exists a pull request to fix this bug.
QUESTION
Project- Database name- test2
i have 2 tables in my database
table1 contains
...ANSWER
Answered 2022-Jan-03 at 13:28An INNER JOIN will show all matching rows for both tables. If you hit ID 28 which is present 1 time in table1 but 3 times in table2, you will get 3 rows in total.
You can add a GROUP BY Id
to your query or make 2 queries - one for each table - instead of 1 query with an INNER JOIN.
QUESTION
The structure of the table I'm trying to reach is as such:
- Database: INTERNAL_STUFF
- Schema: INTERNAL_TEST
- Table: TEST_TABLE_SIMPLE
I create a PDO as such:
...ANSWER
Answered 2021-Dec-02 at 00:57Can you execute query USE DATABASE INTERNAL_STUFF and next query USE SCHEMA INTERNAL_TEST before you execute your main Sql query.
QUESTION
I have an rest api and the endpoint is getfilestart.php
. What it does is that it searches for the filename in the database using PDO. How can I get the file and return it as a file or automatically download it using postman or in the browser? I tried several methods but I cannot get the file. The directory is in ../files/
Here is the function for download
...ANSWER
Answered 2021-Nov-25 at 04:17From your download file URL $request_url
.
This is force download source code for server side.
QUESTION
I am trying to add USE INDEX()
to the query builder in Laravel. I tried to follow similar steps to link and was kind of successful but I cannot manage the last bit and I am not sure my ad-hoc code has created a huge backdoor.
The target: The target of my exercise is to add Index to the query builder like below:
...ANSWER
Answered 2021-Nov-22 at 18:17The query builder is macroable so in your service provider you can probably do:
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Install pdo
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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