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Get selected option text with JavaScript
... <option value="98">dog</option>
<option value="7122">cat</option>
<option value="142">bird</option>
</select>
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Show a number to two decimal places
What's the correct way to round a PHP string to two decimal places?
24 Answers
24
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PHP function to build query string from array
I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
How to find day of week in php in a specific timezone
I am confused while using php to handle date/time.
12 Answers
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Difference between float and double in php?
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There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types.flo...
How do you parse and process HTML/XML in PHP?
...prefer using one of the native XML extensions since they come bundled with PHP, are usually faster than all the 3rd party libs and give me all the control I need over the markup.
DOM
The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation...
Using SSH keys inside docker container
...tion:
Build command
$ docker build -t example --build-arg ssh_prv_key="$(cat ~/.ssh/id_rsa)" --build-arg ssh_pub_key="$(cat ~/.ssh/id_rsa.pub)" --squash .
Dockerfile
FROM python:3.6-slim
ARG ssh_prv_key
ARG ssh_pub_key
RUN apt-get update && \
apt-get install -y \
git \
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What's better at freeing memory with PHP: unset() or $var = null
... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever ...
Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]
Is there a PHP Sandbox, something like JSFiddle is to JS?
1 Answer
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探讨nginx与php-fpm是不是以多进程多线程方式运行的 - 更多技术 - 清泛网 -...
探讨nginx与php-fpm是不是以多进程多线程方式运行的Nginx在nginx的配置文件中可以设置开启多少个nginx进程，如下：worker_processes 2;同时也可以设置每个进程的最大连接数，如下：worker_co Nginx
在nginx的配置文件中可以设置开启多少...