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phpdotenv unset variable demo
Raw
.env
# A simple, constant env var
CONST='A constant env var'
# Derived from another variable
DERIV="I came from ${CONST} with some more"
# An environment variable we expect to be set on the outside
EXT_SET=${ENV_EXT_SET}
# An environment variable we expect *not* to be set on the outside
EXT_UNSET=${ENV_EXT_UNSET}
Raw
.scuba.yml
image: php7-composer
Raw
composer.json
{
"require": {
"vlucas/phpdotenv": "5.2.0"
}
}
Raw
composer.lock
{
"_readme": [
"This file locks the dependencies of your project to a known state",
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
"This file is @generated automatically"
],
"content-hash": "ad455181d1a1979617af190f28f31b2f",
"packages": [
{
"name": "graham-campbell/result-type",
"version": "v1.0.1",
"source": {
"type": "git",
"url": "https://github.com/GrahamCampbell/Result-Type.git",
"reference": "7e279d2cd5d7fbb156ce46daada972355cea27bb"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/GrahamCampbell/Result-Type/zipball/7e279d2cd5d7fbb156ce46daada972355cea27bb",
"reference": "7e279d2cd5d7fbb156ce46daada972355cea27bb",
"shasum": ""
},
"require": {
"php": "^7.0|^8.0",
"phpoption/phpoption": "^1.7.3"
},
"require-dev": {
"phpunit/phpunit": "^6.5|^7.5|^8.5|^9.0"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.0-dev"
}
},
"autoload": {
"psr-4": {
"GrahamCampbell\\ResultType\\": "src/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Graham Campbell",
"email": "graham@alt-three.com"
}
],
"description": "An Implementation Of The Result Type",
"keywords": [
"Graham Campbell",
"GrahamCampbell",
"Result Type",
"Result-Type",
"result"
],
"support": {
"issues": "https://github.com/GrahamCampbell/Result-Type/issues",
"source": "https://github.com/GrahamCampbell/Result-Type/tree/v1.0.1"
},
"funding": [
{
"url": "https://github.com/GrahamCampbell",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/graham-campbell/result-type",
"type": "tidelift"
}
],
"time": "2020-04-13T13:17:36+00:00"
},
{
"name": "phpoption/phpoption",
"version": "1.7.5",
"source": {
"type": "git",
"url": "https://github.com/schmittjoh/php-option.git",
"reference": "994ecccd8f3283ecf5ac33254543eb0ac946d525"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/schmittjoh/php-option/zipball/994ecccd8f3283ecf5ac33254543eb0ac946d525",
"reference": "994ecccd8f3283ecf5ac33254543eb0ac946d525",
"shasum": ""
},
"require": {
"php": "^5.5.9 || ^7.0 || ^8.0"
},
"require-dev": {
"bamarni/composer-bin-plugin": "^1.4.1",
"phpunit/phpunit": "^4.8.35 || ^5.7.27 || ^6.5.6 || ^7.0 || ^8.0 || ^9.0"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.7-dev"
}
},
"autoload": {
"psr-4": {
"PhpOption\\": "src/PhpOption/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"Apache-2.0"
],
"authors": [
{
"name": "Johannes M. Schmitt",
"email": "schmittjoh@gmail.com"
},
{
"name": "Graham Campbell",
"email": "graham@alt-three.com"
}
],
"description": "Option Type for PHP",
"keywords": [
"language",
"option",
"php",
"type"
],
"support": {
"issues": "https://github.com/schmittjoh/php-option/issues",
"source": "https://github.com/schmittjoh/php-option/tree/1.7.5"
},
"funding": [
{
"url": "https://github.com/GrahamCampbell",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/phpoption/phpoption",
"type": "tidelift"
}
],
"time": "2020-07-20T17:29:33+00:00"
},
{
"name": "symfony/polyfill-ctype",
"version": "v1.20.0",
"source": {
"type": "git",
"url": "https://github.com/symfony/polyfill-ctype.git",
"reference": "f4ba089a5b6366e453971d3aad5fe8e897b37f41"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/f4ba089a5b6366e453971d3aad5fe8e897b37f41",
"reference": "f4ba089a5b6366e453971d3aad5fe8e897b37f41",
"shasum": ""
},
"require": {
"php": ">=7.1"
},
"suggest": {
"ext-ctype": "For best performance"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-main": "1.20-dev"
},
"thanks": {
"name": "symfony/polyfill",
"url": "https://github.com/symfony/polyfill"
}
},
"autoload": {
"psr-4": {
"Symfony\\Polyfill\\Ctype\\": ""
},
"files": [
"bootstrap.php"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Gert de Pagter",
"email": "BackEndTea@gmail.com"
},
{
"name": "Symfony Community",
"homepage": "https://symfony.com/contributors"
}
],
"description": "Symfony polyfill for ctype functions",
"homepage": "https://symfony.com",
"keywords": [
"compatibility",
"ctype",
"polyfill",
"portable"
],
"support": {
"source": "https://github.com/symfony/polyfill-ctype/tree/v1.20.0"
},
"funding": [
{
"url": "https://symfony.com/sponsor",
"type": "custom"
},
{
"url": "https://github.com/fabpot",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
"type": "tidelift"
}
],
"time": "2020-10-23T14:02:19+00:00"
},
{
"name": "symfony/polyfill-mbstring",
"version": "v1.20.0",
"source": {
"type": "git",
"url": "https://github.com/symfony/polyfill-mbstring.git",
"reference": "39d483bdf39be819deabf04ec872eb0b2410b531"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/39d483bdf39be819deabf04ec872eb0b2410b531",
"reference": "39d483bdf39be819deabf04ec872eb0b2410b531",
"shasum": ""
},
"require": {
"php": ">=7.1"
},
"suggest": {
"ext-mbstring": "For best performance"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-main": "1.20-dev"
},
"thanks": {
"name": "symfony/polyfill",
"url": "https://github.com/symfony/polyfill"
}
},
"autoload": {
"psr-4": {
"Symfony\\Polyfill\\Mbstring\\": ""
},
"files": [
"bootstrap.php"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Nicolas Grekas",
"email": "p@tchwork.com"
},
{
"name": "Symfony Community",
"homepage": "https://symfony.com/contributors"
}
],
"description": "Symfony polyfill for the Mbstring extension",
"homepage": "https://symfony.com",
"keywords": [
"compatibility",
"mbstring",
"polyfill",
"portable",
"shim"
],
"support": {
"source": "https://github.com/symfony/polyfill-mbstring/tree/v1.20.0"
},
"funding": [
{
"url": "https://symfony.com/sponsor",
"type": "custom"
},
{
"url": "https://github.com/fabpot",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
"type": "tidelift"
}
],
"time": "2020-10-23T14:02:19+00:00"
},
{
"name": "symfony/polyfill-php80",
"version": "v1.20.0",
"source": {
"type": "git",
"url": "https://github.com/symfony/polyfill-php80.git",
"reference": "e70aa8b064c5b72d3df2abd5ab1e90464ad009de"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/e70aa8b064c5b72d3df2abd5ab1e90464ad009de",
"reference": "e70aa8b064c5b72d3df2abd5ab1e90464ad009de",
"shasum": ""
},
"require": {
"php": ">=7.1"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-main": "1.20-dev"
},
"thanks": {
"name": "symfony/polyfill",
"url": "https://github.com/symfony/polyfill"
}
},
"autoload": {
"psr-4": {
"Symfony\\Polyfill\\Php80\\": ""
},
"files": [
"bootstrap.php"
],
"classmap": [
"Resources/stubs"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Ion Bazan",
"email": "ion.bazan@gmail.com"
},
{
"name": "Nicolas Grekas",
"email": "p@tchwork.com"
},
{
"name": "Symfony Community",
"homepage": "https://symfony.com/contributors"
}
],
"description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
"homepage": "https://symfony.com",
"keywords": [
"compatibility",
"polyfill",
"portable",
"shim"
],
"support": {
"source": "https://github.com/symfony/polyfill-php80/tree/v1.20.0"
},
"funding": [
{
"url": "https://symfony.com/sponsor",
"type": "custom"
},
{
"url": "https://github.com/fabpot",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
"type": "tidelift"
}
],
"time": "2020-10-23T14:02:19+00:00"
},
{
"name": "vlucas/phpdotenv",
"version": "v5.2.0",
"source": {
"type": "git",
"url": "https://github.com/vlucas/phpdotenv.git",
"reference": "fba64139db67123c7a57072e5f8d3db10d160b66"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/fba64139db67123c7a57072e5f8d3db10d160b66",
"reference": "fba64139db67123c7a57072e5f8d3db10d160b66",
"shasum": ""
},
"require": {
"ext-pcre": "*",
"graham-campbell/result-type": "^1.0.1",
"php": "^7.1.3 || ^8.0",
"phpoption/phpoption": "^1.7.4",
"symfony/polyfill-ctype": "^1.17",
"symfony/polyfill-mbstring": "^1.17",
"symfony/polyfill-php80": "^1.17"
},
"require-dev": {
"bamarni/composer-bin-plugin": "^1.4.1",
"ext-filter": "*",
"phpunit/phpunit": "^7.5.20 || ^8.5.2 || ^9.0"
},
"suggest": {
"ext-filter": "Required to use the boolean validator."
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "5.2-dev"
}
},
"autoload": {
"psr-4": {
"Dotenv\\": "src/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"BSD-3-Clause"
],
"authors": [
{
"name": "Graham Campbell",
"email": "graham@alt-three.com",
"homepage": "https://gjcampbell.co.uk/"
},
{
"name": "Vance Lucas",
"email": "vance@vancelucas.com",
"homepage": "https://vancelucas.com/"
}
],
"description": "Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.",
"keywords": [
"dotenv",
"env",
"environment"
],
"support": {
"issues": "https://github.com/vlucas/phpdotenv/issues",
"source": "https://github.com/vlucas/phpdotenv/tree/v5.2.0"
},
"funding": [
{
"url": "https://github.com/GrahamCampbell",
"type": "github"
},
{
"url": "https://tidelift.com/funding/github/packagist/vlucas/phpdotenv",
"type": "tidelift"
}
],
"time": "2020-09-14T15:57:31+00:00"
}
],
"packages-dev": [],
"aliases": [],
"minimum-stability": "stable",
"stability-flags": [],
"prefer-stable": false,
"prefer-lowest": false,
"platform": [],
"platform-dev": [],
"plugin-api-version": "2.0.0"
}
Raw
Dockerfile
FROM alpine:edge
RUN apk --no-cache add \
curl \
php7 \
php7-iconv \
php7-json \
php7-mbstring \
php7-openssl \
php7-phar
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin --filename=composer
Raw
prepare.sh
#!/bin/bash
set -e
# PHP
docker build -t php7-composer .
scuba composer update
# Python
virtualenv -p python3 venv
source venv/bin/activate
pip install -r requirements.txt
Raw
run_test.sh
#!/bin/bash
export ENV_EXT_SET="set externally"
echo -e "\n------------------------------------------------------"
echo "Bash:"
{
source .env
echo "CONST=$CONST"
echo "DERIV=$DERIV"
echo "EXT_SET=$EXT_SET"
echo "EXT_UNSET=$EXT_UNSET"
}
echo -e "\n------------------------------------------------------"
echo "phpdotenv:"
scuba -e "ENV_EXT_SET=$ENV_EXT_SET" php test.php
echo -e "\n------------------------------------------------------"
echo "python-dotenv:"
source venv/bin/activate
./test.py
deactivate
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test.php
<?php
require __DIR__ . '/vendor/autoload.php';
$d = Dotenv\Dotenv::createImmutable(__DIR__);
$d->load();
echo "\$_ENV = ";
print_r($_ENV);
?>
Raw
test.py
#!/usr/bin/env python3
from dotenv import load_dotenv
import os
load_dotenv()
def show(k):
print("{}={}".format(k, os.getenv(k)))
show("CONST")
show("DERIV")
show("EXT_SET")
show("EXT_UNSET")
@JonathonReinhart
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Author

JonathonReinhart commented Jan 4, 2021 •
edited
Loading

See vlucas/phpdotenv#468.

Requires scuba.

$ pip3 install scuba
$ ./prepare.sh
$ ./run_test.sh
------------------------------------------------------
Bash:
CONST=A constant env var
DERIV=I came from A constant env var with some more
EXT_SET=set externally
EXT_UNSET=

------------------------------------------------------
phpdotenv:
$_ENV = Array
(
    [CONST] => A constant env var
    [DERIV] => I came from A constant env var with some more
    [EXT_SET] => set externally
    [EXT_UNSET] => ${ENV_EXT_UNSET}
)

------------------------------------------------------
python-dotenv:
CONST=A constant env var
DERIV=I came from A constant env var with some more
EXT_SET=set externally
EXT_UNSET=

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