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PATH: opt / cpanel / ea-wappspector / vendor / php-di / php-di / src / Definition / Resolver

<?php

declare(strict_types=1);

namespace DI\Definition\Resolver;

use DI\Definition\Definition;
use DI\Definition\EnvironmentVariableDefinition;
use DI\Definition\Exception\InvalidDefinition;

/**
 * Resolves a environment variable definition to a value.
 *
 * @template-implements DefinitionResolver<EnvironmentVariableDefinition>
 *
 * @author James Harris <james.harris@icecave.com.au>
 */
class EnvironmentVariableResolver implements DefinitionResolver
{
    /** @var callable */
    private $variableReader;

public function __construct(
        private DefinitionResolver $definitionResolver,
        $variableReader = null,
    ) {
        $this->variableReader = $variableReader ?? [$this, 'getEnvVariable'];
    }

/**
     * Resolve an environment variable definition to a value.
     *
     * @param EnvironmentVariableDefinition $definition
     */
    public function resolve(Definition $definition, array $parameters = []) : mixed
    {
        $value = call_user_func($this->variableReader, $definition->getVariableName());

if (false !== $value) {
            return $value;
        }

if (!$definition->isOptional()) {
            throw new InvalidDefinition(sprintf(
                "The environment variable '%s' has not been defined",
                $definition->getVariableName()
            ));
        }

$value = $definition->getDefaultValue();

// Nested definition
        if ($value instanceof Definition) {
            return $this->definitionResolver->resolve($value);
        }

return $value;
    }

public function isResolvable(Definition $definition, array $parameters = []) : bool
    {
        return true;
    }

protected function getEnvVariable(string $variableName)
    {
        return $_ENV[$variableName] ?? $_SERVER[$variableName] ?? getenv($variableName);
    }
}

[-] ArrayResolver.php [edit]
[+] ..
[-] InstanceInjector.php [edit]
[-] EnvironmentVariableResolver.php [edit]
[-] DefinitionResolver.php [edit]
[-] ObjectCreator.php [edit]
[-] FactoryResolver.php [edit]
[-] DecoratorResolver.php [edit]
[-] ParameterResolver.php [edit]
[-] ResolverDispatcher.php [edit]