elementor / vendor_prefixed / php-di / php-di / src / Definition / Resolver / EnvironmentVariableResolver.php

EnvironmentVariableResolver.php in Elementor Website Builder – more than just a page builder 3.26.0-dev5, at vendor_prefixed/php-di/php-di/src/Definition/Resolver/EnvironmentVariableResolver.php

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1	<?php
2
3	declare (strict_types=1);
4	namespace ElementorDeps\DI\Definition\Resolver;
5
6	use ElementorDeps\DI\Definition\Definition;
7	use ElementorDeps\DI\Definition\EnvironmentVariableDefinition;
8	use ElementorDeps\DI\Definition\Exception\InvalidDefinition;
9	/**
10	* Resolves a environment variable definition to a value.
11	*
12	* @author James Harris <james.harris@icecave.com.au>
13	*/
14	class EnvironmentVariableResolver implements DefinitionResolver
15	{
16	/**
17	* @var DefinitionResolver
18	*/
19	private $definitionResolver;
20	/**
21	* @var callable
22	*/
23	private $variableReader;
24	public function __construct(DefinitionResolver $definitionResolver, $variableReader = null)
25	{
26	$this->definitionResolver = $definitionResolver;
27	$this->variableReader = $variableReader ?? [$this, 'getEnvVariable'];
28	}
29	/**
30	* Resolve an environment variable definition to a value.
31	*
32	* @param EnvironmentVariableDefinition $definition
33	*/
34	public function resolve(Definition $definition, array $parameters = [])
35	{
36	$value = \call_user_func($this->variableReader, $definition->getVariableName());
37	if (\false !== $value) {
38	return $value;
39	}
40	if (!$definition->isOptional()) {
41	throw new InvalidDefinition(\sprintf("The environment variable '%s' has not been defined", $definition->getVariableName()));
42	}
43	$value = $definition->getDefaultValue();
44	// Nested definition
45	if ($value instanceof Definition) {
46	return $this->definitionResolver->resolve($value);
47	}
48	return $value;
49	}
50	public function isResolvable(Definition $definition, array $parameters = []) : bool
51	{
52	return \true;
53	}
54	protected function getEnvVariable(string $variableName)
55	{
56	if (isset($_ENV[$variableName])) {
57	return $_ENV[$variableName];
58	} elseif (isset($_SERVER[$variableName])) {
59	return $_SERVER[$variableName];
60	}
61	return \getenv($variableName);
62	}
63	}
64