yidas

Yii2 App Basic Environment Setting Switch for WEB & Console

Server Variable Solution

Add server variable condition for ./web/index.php & ./yii:

if (isset($_SERVER['APP_ENV']) && $_SERVER['APP_ENV']=='production') {

yidas

JavaScript HTML Entities Encode & Decode

Like PHP's htmlentities()/htmlspecialchars() functions, JavaScript is easy to implement it.

Encode

/**

yidas

JavaScript nl2br & br2nl functions

The exchange of new line & br HTML tag could refer to PHP - nl2br() function, which uses to inserts HTML line breaks before all newlines in a string.

These JavaScript functions consider whether to use insert or replace to handle the swap.

nl2br

yidas

SQL Joins Explained Diagram

Reference

yidas

Shift a giving months from your input datetime with month based

If the target month is smaller than the original month, the extra days will be discarded.

/**
 * Shift a giving months from your input datetime with month based
 * 
 * If the target month is smaller than the original month, the extra days will be discarded.
 * 

yidas

Yii2 Server Configuration for Nginx & Apache (Subdirectory)

It's easy to configurate a Yii2 server site with directory protection:

Yii2 Web Server Configuration

Sub Directory Site Application

With using Sub Directory for Yii2, you could set sub-directory path into yii2's config:

yidas

Laravel Server Configuration for Nginx & Apache (Subdirectory)

It's easy to configurate a Laravel server site with directory protection:

Laravel Web Server Configuration

Sub Directory Site Application

Laravel smartly detects the current base url so that you don't need to set the base url for subdirectoy:

yidas

[OpenSSL] Diffie–Hellman (DH) key exchange with at least 2048 bits

Diffie–Hellman key exchange - Practical attacks on Internet traffic

Diffie-Hellman parameters

Generate PEM

$ openssl dhparam -out dhparams.pem 2048

yidas

Nginx Configuration Guide & Samples

Subdirectory using Alias

root /var/www/html;

location /site2/ {
    
    alias /srv/www/project2/;

yidas

[Yii2] Yii2 sample code of Error Action handling such 404 errors

/**
 * Error action
 *
 * @return void
 */
public function actionError()
{