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[DependencyInjection] Fix support for empty env vars #50101

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Merged
merged 1 commit into from
Apr 21, 2023
Merged

[DependencyInjection] Fix support for empty env vars #50101

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4 changes: 2 additions & 2 deletions src/Symfony/Component/DependencyInjection/EnvVarProcessor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,7 @@ public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
|| false === ($env = $env ?? getenv($name) ?? false) // null is a possible value because of thread safety issues
) {
foreach ($this->loadedVars as $vars) {
if (false !== ($env = ($vars[$name] ?? false)) && '' !== $env) {
if (false !== ($env = ($vars[$name] ?? $env)) && '' !== $env) {
break;
}
}
Expand All @@ -167,7 +167,7 @@ public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
continue;
}
$this->loadedVars[] = $vars = $loader->loadEnvVars();
if (false !== ($env = ($vars[$name] ?? false)) && '' !== $env) {
if (false !== ($env = ($vars[$name] ?? $env)) && '' !== $env) {
$ended = false;
break;
}
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7 changes: 6 additions & 1 deletion src/Symfony/Component/DependencyInjection/Tests/EnvVarProcessorTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -727,6 +727,7 @@ public static function validCsv()
public function testEnvLoader()
{
$_ENV['BAZ_ENV_LOADER'] = '';
$_ENV['BUZ_ENV_LOADER'] = '';

$loaders = function () {
yield new class() implements EnvVarLoaderInterface {
Expand All @@ -751,7 +752,7 @@ public function loadEnvVars(): array
};
};

$processor = new EnvVarProcessor(new Container(), $loaders());
$processor = new EnvVarProcessor(new Container(), new RewindableGenerator($loaders, 2));

$result = $processor->getEnv('string', 'FOO_ENV_LOADER', function () {});
$this->assertSame('123', $result);
Expand All @@ -762,10 +763,14 @@ public function loadEnvVars(): array
$result = $processor->getEnv('string', 'BAZ_ENV_LOADER', function () {});
$this->assertSame('567', $result);

$result = $processor->getEnv('string', 'BUZ_ENV_LOADER', function () {});
$this->assertSame('', $result);

$result = $processor->getEnv('string', 'FOO_ENV_LOADER', function () {});
$this->assertSame('123', $result); // check twice

unset($_ENV['BAZ_ENV_LOADER']);
unset($_ENV['BUZ_ENV_LOADER']);
}

public function testCircularEnvLoader()
Expand Down