41 lines
894 B
PHP
41 lines
894 B
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK\Common\Configuration\Resolver;
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use OpenTelemetry\SDK\Common\Configuration\Configuration;
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/**
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* @internal
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*/
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class EnvironmentResolver implements ResolverInterface
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{
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public function hasVariable(string $variableName): bool
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{
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if (!Configuration::isEmpty($_SERVER[$variableName] ?? null)) {
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return true;
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}
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$env = getenv($variableName);
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if ($env === false) {
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return false;
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}
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return !Configuration::isEmpty($env);
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}
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/**
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* @psalm-suppress InvalidReturnStatement
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* @psalm-suppress InvalidReturnType
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*/
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public function retrieveValue(string $variableName)
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{
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$value = getenv($variableName);
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if ($value === false) {
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$value = $_SERVER[$variableName] ?? null;
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}
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return $value;
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}
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}
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