1. <?php
  3. /**
  4. * Binds runtime environment arguments for sandbox usage with optional flags.
  5. *
  6. * @param array $argv Array of command-line arguments.
  7. * @return array Associative array of environment variables.
  8. */
  9. function bindRuntimeEnvironment(array $argv): array
  10. {
  11. $env = [];
  13. // Default values
  14. $env['DEBUG'] = false;
  15. $env['LOG_LEVEL'] = 'info';
  16. $env['MAX_FILE_SIZE'] = 1024 * 1024; // 1MB
  18. // Parse command-line arguments
  19. $i = 1;
  20. while ($i < count($argv)) {
  21. $arg = $argv[$i];
  23. if ($arg === '--debug') {
  24. $env['DEBUG'] = true;
  25. } elseif ($arg === '--log-level') {
  26. if ($i + 1 < count($argv)) {
  27. $env['LOG_LEVEL'] = $argv[$i + 1];
  28. $i += 2; // Skip the flag and its value
  29. } else {
  30. error_log("Missing value for --log-level");
  31. $i++;
  32. }
  33. } elseif ($arg === '--max-file-size') {
  34. if ($i + 1 < count($argv)) {
  35. $env['MAX_FILE_SIZE'] = (int)$argv[$i + 1] * 1024 * 1024; // Convert to bytes
  36. $i += 2;
  37. } else {
  38. error_log("Missing value for --max-file-size");
  39. $i++;
  40. }
  41. } else {
  42. error_log("Unknown argument: " . $arg);
  43. $i++;
  44. }
  45. }
  47. // Set environment variables
  48. putenv('DEBUG=' . (int)$env['DEBUG']); // Convert boolean to integer
  49. putenv('LOG_LEVEL=' . $env['LOG_LEVEL']);
  50. putenv('MAX_FILE_SIZE=' . $env['MAX_FILE_SIZE']);
  52. return $env;
  53. }
  55. // Example usage (for testing/demonstration)
  56. // $argv = ['--debug', '--log-level=debug', '--max-file-size=2048'];
  57. // $env = bindRuntimeEnvironment($argv);
  58. // print_r($env);
  60. ?>

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