Editing PHP mcrypt extension

Update
 apt update
Install Development tools
 apt install -y build-essential
Konfirmasi make dan gcc
 gcc --version
 make --version
Install PHP, dev dan pear extensions
 apt install php php-pear php-dev libmcrypt-dev 
Konfirmasi pecl
 which pecl
 /usr/bin/pecl
Cara menggunakan pecl
 pecl help
Update Channel
 pecl channel-update pecl.php.net
 
 Updating channel "pecl.php.net"
 Update of Channel "pecl.php.net" succeeded

 pecl update-channels
 
 Updating channel "doc.php.net"
 Update of Channel "doc.php.net" succeeded
 Updating channel "pear.php.net"
 Update of Channel "pear.php.net" succeeded
 Updating channel "pecl.php.net"
 Channel "pecl.php.net" is up to date

Cari mcrypt extension
 pecl search mcrypt

 Retrieving data...0%
 .Matched packages, channel pecl.php.net:
 =======================================
 Package       Stable/(Latest) Local
 mcrypt        1.0.6 (stable)        Bindings for the libmcrypt library
 mcrypt_filter 0.1.0 (beta)          Applies mcrypt symmetric encryption using stream filters

Install mcrypt
 pecl install mcrypt
 
 downloading mcrypt-1.0.6.tgz ...
 Starting to download mcrypt-1.0.6.tgz (27,062 bytes)
 .........done: 27,062 bytes
 6 source files, building
 running: phpize
 Configuring for:
 PHP Api Version:         20170718
 Zend Module Api No:      20170718
 Zend Extension Api No:   320170718
 libmcrypt prefix? [autodetect] : <enter>

Aktifkan extension di dalam php.ini
 nano /etc/php/*/cli/php.ini
 
 tambahkamn extension=mcrypt.so pada baris extension
 
 ; - Many DLL files are located in the extensions/ (PHP 4) or ext/ (PHP 5+)
 ;   extension folders as well as the separate PECL DLL download (PHP 5+).
 ;   Be sure to appropriately set the extension_dir directive.
 ;
 extension=mcrypt.so
 ;extension=bz2
 ;extension=curl
 ;extension=fileinfo
 ;extension=gd2
 ;extension=gettext

 nano /etc/php/*/apache2/php.ini
 
 tambahkan extension=mcrypt.so pada baris extension
 
 ; - Many DLL files are located in the extensions/ (PHP 4) or ext/ (PHP 5+)
 ;   extension folders as well as the separate PECL DLL download (PHP 5+).
 ;   Be sure to appropriately set the extension_dir directive.
 ;
 extension=mcrypt.so
 ;extension=bz2
 ;extension=curl
 ;extension=fileinfo
 ;extension=gd2
 ;extension=gettext
 ;extension=gmp

Konfirmasi
 php -m | grep mcrypt
 
 mcrypt

Kembali ke root
 exit

Restart apache 2, jalankan dari root host
 sudo docker exec -it laravel /etc/init.d/apache2 restart