48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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namespace SilverStripe\Core;
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use M1\Env\Parser;
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/**
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* Loads environment variables from .env files
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* Loosely based on https://github.com/vlucas/phpdotenv/blob/master/src/Loader.php
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*/
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class EnvironmentLoader
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{
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/**
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* Load environment variables from .env file
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*
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* @param string $path Path to the file
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* @param bool $overload Set to true to allow vars to overload. Recommended to leave false.
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* @return array|null List of values parsed as an associative array, or null if not loaded
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* If overloading, this list will reflect the final state for all variables
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*/
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public function loadFile($path, $overload = false)
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{
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// Not readable
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if (!file_exists($path ?? '') || !is_readable($path ?? '')) {
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return null;
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}
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// Parse and cleanup content
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$result = [];
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$variables = Parser::parse(file_get_contents($path ?? ''));
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foreach ($variables as $name => $value) {
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// Conditionally prevent overloading
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if (!$overload) {
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$existing = Environment::getEnv($name);
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if ($existing !== false) {
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$result[$name] = $existing;
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continue;
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}
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}
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// Overload or create var
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Environment::setEnv($name, $value);
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$result[$name] = $value;
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}
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return $result;
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}
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}
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