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<?php |
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/** |
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* Linna Framework. |
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* |
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* @author Sebastian Rapetti <[email protected]> |
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* @copyright (c) 2018, Sebastian Rapetti |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types = 1); |
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namespace Linna\DotEnv; |
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/** |
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* DotEnv. |
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* |
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* Load variables from a .env file to environment. |
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*/ |
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class DotEnv |
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{ |
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/** |
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* Get a value from environment. |
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* |
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* @param string $key Key name |
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* @param mixed $default Default value if key not found |
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*/ |
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public function get(string $key, $default = null) |
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{ |
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if (($value = getenv($key)) === false) { |
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return $default; |
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} |
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return $value; |
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} |
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/** |
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* Load environment variables from file. |
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* |
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* @param string $file Path to .env file |
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* |
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* @return bool |
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*/ |
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public function load(string $file): bool |
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{ |
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if (!file_exists($file)) { |
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return false; |
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} |
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$content = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); |
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foreach ($content as $line) { |
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$line = rtrim(ltrim($line)); |
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//check if the line contains a key value pair |
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if (!preg_match("/^\s*([\w.-]+)\s*=\s*(.*)?\s*$/", $line)) { |
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continue; |
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} |
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[$key, $value] = explode('=', $line); |
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//set to empty value |
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if (strlen($value) === 0) { |
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putenv("{$key}="); |
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continue; |
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} |
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$edges = $value[0].$value[-1]; |
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if ($edges === "''" || $edges === '""') { |
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$value = substr($value, 1, -1); |
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} |
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putenv("{$key}={$value}"); |
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} |
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return true; |
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} |
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} |
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linna /
framework
