php5
$a['user'] = isset($a['user']) ? $a['user'] : 'nobody';

↓

php7
$a['user'] = $a['user'] ?? 'nobody';

php7.4
$a['user'] ??= 'nobody';

packagemainimport"C"//export calcFibonaccifunccalcFibonacci(iuint)uint{ifi<2{returni}returncalcFibonacci(i-1)+calcFibonacci(i-2)}funcmain(){}

$ffi=FFI::cdef('extern unsigned int calcFibonacci(unsigned int p0);','[PATH]/fibonacci.dylib');

echo($ffi->calcFibonacci(10));// 55

constCOUNT=40;$ffi=FFI::cdef('extern unsigned int calcFibonacci(unsigned int p0);','[PATH]/fibonacci.dylib');// 比較対象のPHP実装サンプルfunctioncalcFibonacci(int$i):int{if($i<2){return$i;}returncalcFibonacci($i-1)+calcFibonacci($i-2);}// Go(FFI)実装の実行速度計測$startTime=microtime(true);for($i=1;$i<=COUNT;$i++){$ffi->calcFibonacci($i);}$time=microtime(true)-$startTime;echo"Go(FFI): {$time}秒\n";// PHP実装の実行速度計測$startTime=microtime(true);for($i=1;$i<=COUNT;$i++){calcFibonacci($i);}$time=microtime(true)-$startTime;echo"PHP: {$time}秒\n";

Go(FFI): 1.5760109424591 秒
PHP: 33.616943836212 秒

$ docker-compose -v

git clone https://github.com/qvtec/laravel-docker-base.git

docker
├── db
│   └── my.conf
├── php-apache
│   ├── 000-default.conf
│   ├── default-ssl.conf
│   ├── php.ini
│   └── Dockerfile
├── .env
└── docker-compose.yml

FROM php:7.4.0-apacheCOPY ./php.ini /usr/local/etc/php/COPY ./sites/*.conf /etc/apache2/sites-available/ARG TZ=Asia/TokyoARG NODE_VERSION=8.xRUN set-xe;\
    apt-get update -yqq&&\
    apt-get install-yqq--no-install-recommends\
      apt-utils vim gettext git \
      default-mysql-client \
# for gd
      libfreetype6-dev \
      libjpeg62-turbo-dev \
      libpng-dev \
      libwebp-dev \
      libxpm-dev \
      # for ImageMagick
      libmagickwand-dev \
      # for zip
      libzip-dev zip unzip \
      # for oniguruma
      libonig-dev \
    && docker-php-ext-install bcmath gettext mbstring mysqli pdo pdo_mysql zip \
    && docker-php-ext-configure mbstring --disable-mbregex \
    && docker-php-ext-configure zip --with-libzip \
    # gd
    && docker-php-ext-install -j$(nproc) iconv \
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
    && docker-php-ext-install -j$(nproc) gd \
    # imagick
    && pecl install imagick \
    && docker-php-ext-enable imagick \
    # enable mod_rewrite
    && a2enmod rewrite \
    # enable ssl
    && a2enmod ssl \
    # enable site
    && a2ensite default-ssl \
    # for ssl
    && apt-get update \
    && apt-get -y install ngrep \
    && openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 -subj "/C=JP/CN=localhost" \
        -keyout /etc/ssl/private/apache-selfsigned.key -out /etc/ssl/certs/apache-selfsigned.crt \
    # set timezone
    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone \
    # node
    && curl -sL https://deb.nodesource.com/setup_$NODE_VERSION | bash - \
    && apt-get install -y nodejs npm \
    # install composer
    && cd '/' \
    && php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
    && php composer-setup.php \
    && php -r "unlink('composer-setup.php');" \
    && mv composer.phar /usr/local/bin/composer

ENV COMPOSER_ALLOW_SUPERUSER 1ENV COMPOSER_HOME /composerENV PATH $PATH:/composer/vendor/bin# laravel installerRUN composer global require "laravel/installer"\
&& composer global require "laravel/envoy"WORKDIR /var/www/html

version:'3'services:work:build:context:./phpvolumes:-${PROJECT_PATH}:/var/www/html:cached-node_modules:/var/www/html/node_modulesports:-${WEB_PORT}:80-${WEB_SSL_PORT}:443depends_on:-mysqlmysql:image:mysql:5.7volumes:-mysql_data:/var/lib/mysqlenvironment:MYSQL_ROOT_PASSWORD:rootMYSQL_DATABASE:${DB_NAME}MYSQL_USER:${DB_USER}MYSQL_PASSWORD:${DB_PASS}TZ:${TZ}ports:-${DB_PORT}:3306phpmyadmin:image:phpmyadmin/phpmyadminenvironment:-PMA_ARBITRARY=1-PMA_HOST=mysql-PMA_USER=root-PMA_PASSWORD=rootports:-${PMA_PORT}:80redis:image:redis:latestports:-${REDIS_PORT}:6379volumes:-redis_data:/datacommand:redis-servervolumes:mysql_data:node_modules:redis_data:

COMPOSE_PROJECT_NAME=laravel-docker-base
PROJECT_PATH=../src

WEB_PORT=80
WEB_SSL_PORT=443
DB_PORT=3306
PMA_PORT=8080
REDIS_PORT=6379

TZ=Asia/Tokyo
DB_NAME=docker
DB_USER=docker
DB_PASS=secret

<VirtualHost *:80>
  ServerName local.test.com
  DocumentRoot /var/www/html/public/

  <Directory /var/www/html/public>
    Options Indexes FollowSymLinks MultiViews
    AllowOverride All
    Require all granted
  </Directory>

  ErrorLog /var/log/apache2/error.log
  CustomLog /var/log/apache2/access.log combined
</VirtualHost>

<IfModule mod_ssl.c>
    <VirtualHost _default_:443>
        ServerName local.test.com
        DocumentRoot /var/www/html/public
        ErrorLog /var/log/apache2/error.log
        CustomLog /var/log/apache2/access.log combined
        SSLEngine on
        SSLCertificateFile /etc/ssl/certs/apache-selfsigned.crt
        SSLCertificateKeyFile /etc/ssl/private/apache-selfsigned.key
        <FilesMatch "\.(cgi|shtml|phtml|php)$">
            SSLOptions +StdEnvVars
        </FilesMatch>

        <Directory /usr/lib/cgi-bin>
            SSLOptions +StdEnvVars
        </Directory>
        Options Indexes FollowSymLinks

        <Directory "/var/www/html/public/">
            AllowOverride All
            Require all granted
        </Directory>
    </VirtualHost>
</IfModule>

[Date]date.timezone="Asia/Tokyo"[mbstring]mbstring.internal_encoding="UTF-8"mbstring.language="Japanese"

[mysqld]
character-set-server=utf8
datadir = /var/lib/mysql

cd docker/
cp .env.example .env

docker-compose up -d--build

docker-compose exec work bash

laravel new

cp .env.example .env

DB_HOST=mysql
DB_USSERNAME=root
DB_PASSWORD=root

CACHE_DRIVER=redis
REDIS_HOST=redis

MAIL_DRIVER=log

composer dump-autoload
composer install

php artisan migrate

127.0.0.1 local.admin.com

作業フォルダ
　├ src              // WEBルートにマウントするソースなどを格納
　└ vagrant          // vagrantfileを配置。
　 　└ Vagrantfile

Vagrant.configure("2")do|config|# CentOS8config.vm.box="generic/centos8"end

Vagrant.configure("2")do|config|# CentOS8config.vm.box="generic/centos8"# ネットワーク設定config.vm.network"private_network",ip: "192.168.50.11"end

Vagrant.configure("2")do|config|# CentOS8config.vm.box="generic/centos8"# ネットワーク設定config.vm.network"private_network",ip: "192.168.50.11"# メモリ/CPUconfig.vm.provider"virtualbox"do|vb|vb.memory=1024vb.cpus=1endend

Vagrant.configure("2")do|config|# CentOS8config.vm.box="generic/centos8"# ネットワーク設定config.vm.network"private_network",ip: "192.168.50.11"# メモリ/CPUconfig.vm.provider"virtualbox"do|vb|vb.memory=1024vb.cpus=1end# 同期フォルダconfig.vm.synced_folder"../src",/var/www/[任意の名前],:mount_options=>['dmode=777','fmode=777']config.vm.synced_folder".",'/vagrant',:mount_options=>['dmode=777','fmode=777']end

cd 作業フォルダ/vagrant
vagrant up

vagrant ssh

sudo timedatectl set-timezone Asia/Tokyo

sudo firewall-cmd --add-service=http --permanent# HTTPアクセスの許可sudo firewall-cmd --add-service=https --permanent# HTTPSアクセスの許可sudo firewall-cmd --add-port=9000/tcp --permanent# PHP Xdebug用にポート開放sudo firewall-cmd --reload# offにするならsudo systemctl stop firewalld

vagrant halt
vagrant up

sudo dnf install-y nginx

sudo dnf install-y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo dnf install-y https://rpms.remirepo.net/enterprise/remi-release-8.rpm

sudo dnf module disable -y php 

sudo dnf module install-y php:remi-7.4 
# 関連して php-fpm,php-mbstring,php-json もインストールされる

sudo dnf install-y php-mysqlnd php-pecl-xdebug php-intl php-zip

#追加
xdebug.default_enable = 1xdebug.remote_enable = Onxdebug.remote_autostart = Onxdebug.remote_connect_back = Onxdebug.remote_port = 9000

# ~~省略
# 追加
listen.owner = nginxlisten.group = nginx#修正
user = nginx#apache から変更
group = nginx#apache から変更
# ~~省略

#~~省略
http {
・・・

    include /etc/nginx/conf.d/*.conf;
}

server {
    listen80;
    server_name  [任意のアクセスドメイン名];
    root    /var/www/[Vagrantfileで設定したルート名];
    indexindex.php;

    charsetutf-8;
    access_log  /var/log/nginx/access.logmain;
    error_log  /var/log/nginx/error.logmain;

    location / {
        try_files $uri $uri/ /index.php$is_args$args;
    }

    # redirect server error pages to the static page /50x.html
error_page500502503504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # pass the PHP scripts to FastCGI server listening on php-fpm.sock;
location ~ \.php$ {
        includefastcgi_params;
        fastcgi_paramSCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_passunix:/run/php-fpm/php-fpm.sock;
        try_files $uri =404;
    }
}

sudo systemctl restart nginx
sudo systemctl restart php-fpm
sudo systemctl enable nginx
sudo systemctl enable php-fpm

# 追記
192.168.50.11 [/etc/nginx/conf.d/default.confで設定したドメイン名]

cd /var/www/[ルート]
echo'<?php phpinfo();'> index.php

sudo dnf install-y @mysql

sudo rm-rf /var/lib/mysql
sudo  mysqld --initialize-insecure--datadir=/var/lib/mysql --user=mysql

# 追加
# mysqlではひらがなカタカナを判別
collation_server = utf8mb4_ja_0900_as_cs_ks

sudo systemctl restart mysqld
sudo systemctl enable mysqld

mysql -u root
> create database [作成したいDB名]
> create 'ユーザ名'@'localhost' IDENTIFIED BY 'パスワード';> grant all privileges on DB名.* TO 'ユーザ名'@'localhost';

+ default_authentication_plugin=mysql_native_password

-     docker-php-ext-configure zip --with-libzip && \
+     docker-php-ext-configure zip && \ 

-  supervisor
+  supervisor \
+  oniguruma-dev

-    docker-php-ext-configure zip --with-libzip && \
+    docker-php-ext-configure zip && \

<?phpclassUser{publicint$id;publicstring$name;}?>

$a=[100,2,3,4,5,'a'=>'hoge'];var_dump($a{'a'});

// 出力
string(4) "hoge"

$php-v-bash: php: command not found

       __|  __|_  )
       _|  (     /   Amazon Linux 2 AMI
      ___|\___|___|

https://aws.amazon.com/amazon-linux-2/
8 package(s) needed for security, out of 17 available
Run "sudo yum update" to apply all updates.

$ sudo yum update -y

sudo yum install php
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
amzn2-core                                                                                                                                                        | 2.4 kB  00:00:00
Resolving Dependencies
--> Running transaction check
---> Package php.x86_64 0:5.4.16-46.amzn2.0.2 will be installed
--> Processing Dependency: php-cli(x86-64)= 5.4.16-46.amzn2.0.2 for package: php-5.4.16-46.amzn2.0.2.x86_64
--> Processing Dependency: php-common(x86-64)= 5.4.16-46.amzn2.0.2 for package: php-5.4.16-46.amzn2.0.2.x86_64
--> Processing Dependency: httpd-mmn = 20120211x8664 for package: php-5.4.16-46.amzn2.0.2.x86_64
--> Processing Dependency: httpd for package: php-5.4.16-46.amzn2.0.2.x86_64
--> Running transaction check
---> Package httpd.x86_64 0:2.4.41-1.amzn2.0.1 will be installed
--> Processing Dependency: httpd-tools = 2.4.41-1.amzn2.0.1 for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: httpd-filesystem = 2.4.41-1.amzn2.0.1 for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: system-logos-httpd for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: mod_http2 for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: httpd-filesystem for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: libaprutil-1.so.0()(64bit)for package: httpd-2.4.41-1.amzn2.0.1.x86_64
--> Processing Dependency: libapr-1.so.0()(64bit)for package: httpd-2.4.41-1.amzn2.0.1.x86_64
---> Package php-cli.x86_64 0:5.4.16-46.amzn2.0.2 will be installed
---> Package php-common.x86_64 0:5.4.16-46.amzn2.0.2 will be installed
--> Processing Dependency: libzip.so.2()(64bit)for package: php-common-5.4.16-46.amzn2.0.2.x86_64
--> Running transaction check
---> Package apr.x86_64 0:1.6.3-5.amzn2.0.2 will be installed
---> Package apr-util.x86_64 0:1.6.1-5.amzn2.0.2 will be installed
--> Processing Dependency: apr-util-bdb(x86-64)= 1.6.1-5.amzn2.0.2 for package: apr-util-1.6.1-5.amzn2.0.2.x86_64
---> Package generic-logos-httpd.noarch 0:18.0.0-4.amzn2 will be installed
---> Package httpd-filesystem.noarch 0:2.4.41-1.amzn2.0.1 will be installed
---> Package httpd-tools.x86_64 0:2.4.41-1.amzn2.0.1 will be installed
---> Package libzip010-compat.x86_64 0:0.10.1-9.amzn2.0.5 will be installed
---> Package mailcap.noarch 0:2.1.41-2.amzn2 will be installed
---> Package mod_http2.x86_64 0:1.15.3-2.amzn2 will be installed
--> Running transaction check
---> Package apr-util-bdb.x86_64 0:1.6.1-5.amzn2.0.2 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=========================================================================================================================================================================================
 Package                                           Arch                                 Version                                           Repository                                Size
=========================================================================================================================================================================================
Installing:
 php                                               x86_64                               5.4.16-46.amzn2.0.2                               amzn2-core                               1.4 M
Installing for dependencies:
 apr                                               x86_64                               1.6.3-5.amzn2.0.2                                 amzn2-core                               118 k
 apr-util                                          x86_64                               1.6.1-5.amzn2.0.2                                 amzn2-core                                99 k
 apr-util-bdb                                      x86_64                               1.6.1-5.amzn2.0.2                                 amzn2-core                                19 k
 generic-logos-httpd                               noarch                               18.0.0-4.amzn2                                    amzn2-core                                19 k
 httpd                                             x86_64                               2.4.41-1.amzn2.0.1                                amzn2-core                               1.3 M
 httpd-filesystem                                  noarch                               2.4.41-1.amzn2.0.1                                amzn2-core                                23 k
 httpd-tools                                       x86_64                               2.4.41-1.amzn2.0.1                                amzn2-core                                87 k
 libzip010-compat                                  x86_64                               0.10.1-9.amzn2.0.5                                amzn2-core                                30 k
 mailcap                                           noarch                               2.1.41-2.amzn2                                    amzn2-core                                31 k
 mod_http2                                         x86_64                               1.15.3-2.amzn2                                    amzn2-core                               146 k
 php-cli                                           x86_64                               5.4.16-46.amzn2.0.2                               amzn2-core                               2.8 M
 php-common                                        x86_64                               5.4.16-46.amzn2.0.2                               amzn2-core                               563 k

Transaction Summary
=========================================================================================================================================================================================
Install  1 Package (+12 Dependent packages)

Total download size: 6.6 M
Installed size: 22 M
Is this ok [y/d/N]:

$sudo amazon-linux-extras install epel #Amazon Linux でepel-releaseパッケージをインストール出来るようにする$sudo yum install epel-release #epel-releaseパッケージをインストール$sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm #remiリポジトリを使えるようにする

$ sudo yum install-y php74 php74-php php74-php-fpm
$ sudo ln-s /usr/bin/php74 /usr/bin/php
$ php -v
PHP 7.4.1 (cli)(built: Dec 17 2019 16:35:58)( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies

$ httpd -v
Server version: Apache/2.4.41 ()
Server built:   Oct 22 2019 22:59:04
$ cat /etc/httpd/conf/httpd.conf  |grep ^DocumentRoot
DocumentRoot "/var/www/html"$sudo service httpd restart # apacheの再起動

$cat /var/www/html/index.php
<?php
phpinfo();

checking for oniguruma... no
configure: error: Package requirements (oniguruma) were not met:

Package 'oniguruma', required by 'virtual:world', not found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables ONIG_CFLAGS
and ONIG_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

$ apk add --update--no-cache oniguruma-dev

$ wget https://pecl.php.net/get/mcrypt-1.0.1.tgz                                                                                                                                                                                                          
$ tar zxvf mcrypt-1.0.1.tgz
$ cd mcrypt-1.0.1
$ phpize
$ ./configure
$ make 
$ make install
$ rm -rf ../mcrypt-1.0.1*

$ vim /usr/local/etc/php/php7.4/php.ini
...
extension=mcrypt ; mcrypt を読み込むように設定
...

$ sudo pecl install channel://pecl.php.net/mcrypt-1.0.1
pecl/mcrypt is already installed and is the same as the released version 1.0.1
install failed

$ sudo pecl uninstall mcrypt-1.0.1
Extension mcrypt disabled in php.ini
uninstall ok: channel://pecl.php.net/mcrypt-1.0.1
$ pecl install mcrypt-1.0.1
pecl/mcrypt requires PHP (version >= 7.2.0, version <= 7.3.0, excluded versions: 7.3.0), installed version is 7.4.1
No valid packages found
install failed

+ default_authentication_plugin=mysql_native_password

-     docker-php-ext-configure zip --with-libzip && \
+     docker-php-ext-configure zip && \ 

-  supervisor
+  supervisor \
+  oniguruma-dev

-    docker-php-ext-configure zip --with-libzip && \
+    docker-php-ext-configure zip && \

FROM php:7.3-apache
COPY ./etc/docker/app/conf/*.conf /etc/apache2/sites-available/

RUN apt-get update && apt-get install -y vim zip unzip

RUN set -ex apk --no-cache add postgresql-dev libpq-dev
RUN apt-get install -y libpq-dev \
    && docker-php-ext-install pdo pdo_pgsql pgsql mbstring

RUN pecl install xdebug && \
    docker-php-ext-enable xdebug
COPY ./etc/docker/app/php_conf/xdebug.ini /usr/local/etc/php/conf.d/

RUN a2enmod rewrite

EXPOSE 80

CMD ["apache2-foreground"]

configure: error: Package requirements (oniguruma) were not met:

No package 'oniguruma' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables ONIG_CFLAGS
and ONIG_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

FROM php:7.4-apache
COPY ./etc/docker/app/conf/*.conf /etc/apache2/sites-available/

RUN apt-get update && apt-get install -y vim zip unzip

RUN set -ex apk --no-cache add postgresql-dev libpq-dev
RUN apt-get install -y libpq-dev \
    libonig-dev \ # 追加
    && docker-php-ext-install pdo pdo_pgsql pgsql # mbstringは削除

RUN pecl install xdebug && \
    docker-php-ext-enable xdebug
COPY ./etc/docker/app/php_conf/xdebug.ini /usr/local/etc/php/conf.d/

RUN a2enmod rewrite

EXPOSE 80

CMD ["apache2-foreground"]

version:'3'services:db:image:mysql:8.0environment:MYSQL_USER:wordpressMYSQL_PASSWORD:wordpressMYSQL_DATABASE:wordpressMYSQL_ROOT_PASSWORD:wordpressvolumes:-./data/db:/var/lib/mysqlrestart:alwayswordpress:depends_on:-dbimage:wordpress:php7.4-apacheports:-"8000:80"restart:alwaysenvironment:WORDPRESS_DB_HOST:db:3306WORDPRESS_DB_PASSWORD:wordpress

The server requested authentication method unknown to the client [caching_sha2_password]")

$hoge=null;var_dump($hoge[0]);exit;

// php7.3までNULL// php7.4Tryingtoaccessarrayoffsetonvalueoftypenullin/hoge.phponline3trace=>#0 ...

# docker-hubからOSのイメージ引込FROM centos:centos8.1.1911# サーバの日付合わせRUN /bin/cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime

# epel-releaseのインストールRUN yum install-y epel-release &&\
    yum clean all

# remiのインストールRUN rpm -ivh http://ftp.riken.jp/Linux/remi/enterprise/remi-release-8.rpm

# yumのアップデートRUN yum update -y&&\
    yum clean all

# 必要なモジュールのインストール(apache）RUN yum -yinstall httpd &&\
    yum clean all

# 必要なモジュールのインストール（php7.4）RUN yum -yinstall php74-php php74-php-mysqli php74-php-gd php74-php-mbstring php74-php-opcache php74-php-xml

# phpコマンドを作成RUN ln /usr/bin/php74 /usr/bin/php

# wordpressインストールディレクトリの所有者をapacheユーザに変更                                              RUN chown-R apache:apache /var/www/html

# ｐｈｐ７４−ｐｈｐ−ｆｐｍのサービス永続化RUN systemctl enable php74-php-fpm

# apache サーバのサービス永続化RUN systemctl enable httpd 

# 接続用ポートの穴あけEXPOSE 80

docker build -t wordpress:0.0.1 ./

 docker run --privileged --name wordpress -p 80:80 -v [localhostのディレクトリ]:/var/www/html -itd wordpress:0.0.1 /sbin/init

FROM centos:centos8.1.1191

RUN /bin/cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime

RUN yum install -y epel-release &&\
    yum clean all

RUN rpm -ivh http://ftp.riken.jp/Linux/remi/enterprise/remi-release-8.rpm

RUN yum update -y &&\
    yum clean all

RUN yum -y install httpd &&\
    yum clean all

RUN yum -y install php74-php php74-php-mysqli php74-php-gd php74-php-mbstring php74-php-opcache php74-php-xml

RUN ln /usr/bin/php74 /usr/bin/php

RUN chown -R apache:apache /var/www/html

RUN systemctl enable php74-php-fpm

RUN systemctl enable httpd 

EXPOSE 80

//$_POST[]の中の"A1_No"を表す$A1_No=$_POST["A1_No"]

<?php//フォームより送信された値を取得する$A1_Yes=null;$A1_No=null;$_POST[]=null;//配列がセットされている場合はtrueを返すif(isset($_POST["A1_No"])){$A1_No=$_POST["A1_No"];echo'$_POST["A1_No"]はセットされています。';}else{//エラー制御演算子'@'（エラーを無視する）@$A1_No=$A1_No;}?>

$docker run php:7.4.5-cli diff -u /usr/local/etc/php/php.ini-development /usr/local/etc/php/php.ini-production > diff.txt

--- /usr/local/etc/php/php.ini-development  2020-04-17 11:30:36.000000000 +0000
+++ /usr/local/etc/php/php.ini-production   2020-04-17 11:30:36.000000000 +0000
@@ -83,7 +83,7 @@
 ; development version only in development environments, as errors shown to
 ; application users can inadvertently leak otherwise secure information.

-; This is the php.ini-development INI file.
+; This is the php.ini-production INI file.

 ;;;;;;;;;;;;;;;;;;;
 ; Quick Reference ;
@@ -363,7 +363,9 @@

 ; Allows to include or exclude arguments from stack traces generated for exceptions
 ; Default: Off
-zend.exception_ignore_args = Off
+; In production, it is recommended to turn this setting on to prohibit the output 
+; of sensitive information in stack traces
+zend.exception_ignore_args = On

 ;;;;;;;;;;;;;;;;;
 ; Miscellaneous ;
@@ -460,7 +462,7 @@
 ; Development Value: E_ALL
 ; Production Value: E_ALL & ~E_DEPRECATED & ~E_STRICT
 ; http://php.net/error-reporting
-error_reporting = E_ALL
+error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT

 ; This directive controls whether or not and where PHP will output errors,
 ; notices and warnings too. Error output is very useful during development, but
@@ -477,7 +479,7 @@
 ; Development Value: On
 ; Production Value: Off
 ; http://php.net/display-errors
-display_errors = On
+display_errors = Off

 ; The display of errors which occur during PHP's startup sequence are handled
 ; separately from display_errors. PHP's default behavior is to suppress those
@@ -488,7 +490,7 @@
 ; Development Value: On
 ; Production Value: Off
 ; http://php.net/display-startup-errors
-display_startup_errors = On
+display_startup_errors = Off

 ; Besides displaying errors, PHP can also log errors to locations such as a
 ; server-specific log, STDERR, or a location specified by the error_log
@@ -525,7 +527,9 @@
 ; This setting is on by default.
 ;report_zend_debug = 0

-; Store the last error/warning message in $php_errormsg (boolean).
+; Store the last error/warning message in $php_errormsg (boolean). Setting this value
+; to On can assist in debugging and is appropriate for development servers. It should
+; however be disabled on production servers.
 ; This directive is DEPRECATED.
 ; Default Value: Off
 ; Development Value: Off
@@ -1186,7 +1190,7 @@

 ; Enable / Disable collection of memory usage statistics by mysqlnd which can be
 ; used to tune and monitor MySQL operations.
-mysqlnd.collect_memory_statistics = On
+mysqlnd.collect_memory_statistics = Off

 ; Records communication from all extensions using mysqlnd to the specified log
 ; file.
@@ -1559,7 +1563,7 @@
 ; Development Value: 1
 ; Production Value: -1
 ; http://php.net/zend.assertions
-zend.assertions = 1
+zend.assertions = -1

 ; Assert(expr); active by default.
 ; http://php.net/assert.active
@@ -1586,8 +1590,6 @@
 ; http://php.net/assert.quiet-eval
 ;assert.quiet_eval = 0

-
-
 [COM]
 ; path to a file containing GUIDs, IIDs or filenames of files with TypeLibs
 ; http://php.net/com.typelib-file
@@ -1881,7 +1883,7 @@

 ; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
 ; This should improve performance, but requires appropriate OS configuration.
-;opcache.huge_code_pages=0
+;opcache.huge_code_pages=1

 ; Validate cached file permissions.
 ;opcache.validate_permission=0

zend.exception_ignore_args=offexpose_php=onmax_execution_time=30max_input_vars=1000upload_max_filesize=64Mpost_max_size=128Mmemory_limit=256Merror_reporting=E_ALLdisplay_errors=ondisplay_startup_errors=onlog_errors=onerror_log=/var/log/php/php-error.logdefault_charset=UTF-8[Date]date.timezone=Asia/Tokyo[mysqlnd]mysqlnd.collect_memory_statistics=on[Assertion]zend.assertions=1[mbstring]mbstring.language=Japanese

zend.exception_ignore_args=onexpose_php=offmax_execution_time=30max_input_vars=1000upload_max_filesize=64Mpost_max_size=128Mmemory_limit=256Merror_reporting=E_ALL & ~E_DEPRECATED & ~E_STRICTdisplay_errors=offdisplay_startup_errors=offlog_errors=onerror_log=/var/log/php/php-error.logdefault_charset=UTF-8[Date]date.timezone=Asia/Tokyo[mysqlnd]mysqlnd.collect_memory_statistics=off[Assertion]zend.assertions=-1[mbstring]mbstring.language=Japanese[opcache]opcache.enable=1opcache.memory_consumption=128opcache.interned_strings_buffer=8opcache.max_accelerated_files=4000opcache.validate_timestamps=0opcache.huge_code_pages=0opcache.preload=/var/www/preload.phpopcache.preload_user=www-data

$php -i | grep php.ini

date.timezone=$TZ