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File Content: `Env.php`

<?php

namespace PleskLetsEncrypt\JmesPath;

/**
 * Provides a simple environment based search.
 *
 * The runtime utilized by the Env class can be customized via environment
 * variables. If the JP_PHP_COMPILE environment variable is specified, then the
 * CompilerRuntime will be utilized. If set to "on", JMESPath expressions will
 * be cached to the system's temp directory. Set the environment variable to
 * a string to cache expressions to a specific directory.
 */
final class Env
{
    const COMPILE_DIR = 'JP_PHP_COMPILE';
    /**
     * Returns data from the input array that matches a JMESPath expression.
     *
     * @param string $expression JMESPath expression to evaluate
     * @param mixed  $data       JSON-like data to search
     *
     * @return mixed Returns the matching data or null
     */
    public static function search($expression, $data)
    {
        static $runtime;
        if (!$runtime) {
            $runtime = Env::createRuntime();
        }
        return $runtime($expression, $data);
    }
    /**
     * Creates a JMESPath runtime based on environment variables and extensions
     * available on a system.
     *
     * @return callable
     */
    public static function createRuntime()
    {
        switch ($compileDir = self::getEnvVariable(self::COMPILE_DIR)) {
            case \false:
                return new AstRuntime();
            case 'on':
                return new CompilerRuntime();
            default:
                return new CompilerRuntime($compileDir);
        }
    }
    /**
     * Delete all previously compiled JMESPath files from the JP_COMPILE_DIR
     * directory or sys_get_temp_dir().
     *
     * @return int Returns the number of deleted files.
     */
    public static function cleanCompileDir()
    {
        $total = 0;
        $compileDir = self::getEnvVariable(self::COMPILE_DIR) ?: \sys_get_temp_dir();
        foreach (\glob("{$compileDir}/jmespath_*.php") as $file) {
            $total++;
            \unlink($file);
        }
        return $total;
    }
    /**
     * Reads an environment variable from $_SERVER, $_ENV or via getenv().
     *
     * @param string $name
     *
     * @return string|null
     */
    private static function getEnvVariable($name)
    {
        if (\array_key_exists($name, $_SERVER)) {
            return $_SERVER[$name];
        }
        if (\array_key_exists($name, $_ENV)) {
            return $_ENV[$name];
        }
        $value = \getenv($name);
        return $value === \false ? null : $value;
    }
}

Name	Size	Permission
AstRuntime.php	1461 bytes	0644
CompilerRuntime.php	2535 bytes	0644
DebugRuntime.php	3037 bytes	0644
Env.php	2542 bytes	0644
FnDispatcher.php	12104 bytes	0644
JmesPath.php	393 bytes	0644
Lexer.php	13467 bytes	0644
Parser.php	12637 bytes	0644
SyntaxErrorException.php	1058 bytes	0644
TreeCompiler.php	10737 bytes	0644
TreeInterpreter.php	7403 bytes	0644
Utils.php	7282 bytes	0644

File Content: Env.php

File Content: `Env.php`