This is quite confusing but as soon as you see the logic, it would make sense. Say you have this code: 1<?php 23$my_var= 'title'; 4$$my_var = 'PHP variable variables'; // $my_var has a value of 'title'. So the 2nd '$' makes it $title 5echo $title; // ...so, YOU see now where you will …

Basic regex operator is =~ with basic syntax 1[[ "string" =~ pattern ]] NOTE pattern is not quoted, only the string. Very basic example when checking if a variable has either values 'running' or 'exited': 1status='running' ## change to 'exited' and '' to see it works 2if [[ …

Open Windows explorer and type this in address bar 1\\wsl$ See details in this article

Sometimes, you would like to know what your input credentials in browser. Do the following via Google Chrome Developer Tools: 1Chrome DevTools > Network > Fetch/XHR > login > Payload where login refers to something like https://api.myproject.local/v1/login

There's what is called a "Data Structure" or DS package available in packagist. Install 1~$ cd /an/isolated/directory 2~$ composer require php-ds/php-ds 3~$ composer install Try this code: 1<?php 2require __DIR__ . '/vendor/autoload.php'; 345$stack = new \Ds\Stack(); 6//$stack = new Stack(); …

If you ever need to serve your current directory via http for some reason, this is a quick command in python3: 1~$ python3 -m http.server 8000 Then access http://localhost:8000

As of php7.4, php arrow function was added as a more concise syntax for anonymous functions. Basic syntax: 1fn (arguments) => expression; Is functionally equivalent to the following anonymous function: 1function(arguments) { return expression; } Unlike anonymous functions, arrow functions can automatically access …

Here is a curated links of sites that are I think are useful as I learn or relearn Web Development further. Incomplete of course but there's always the internet. Will add any that are worthy to be linked here. For now, this would suffice. If you think there are links worthy to be added here, let me know in the comment …

Here is a curated links of sites that are I think are useful as I learn or relearn Perl further. Incomplete of course but there's always the internet. Will add any that are worthy to be linked here. For now, this would suffice. If you think there are links worthy to be added here, let me know in the comment below. …

Here is a curated links of sites that are I think are useful as I learn or relearn Javacript further. Incomplete of course but there's always the internet. Will add any that are worthy to be linked here. For now, this would suffice. If you think there are links worthy to be added here, let me know in the comment below. …