1. <?php
  3. /**
  4. * Batch Environment Variable Operations for Isolated Environments
  5. * Designed for limited memory usage and efficient batch processing.
  6. *
  7. * @param array $operations An array of environment variable operations.
  8. * Each element should be an associative array with:
  9. * - 'key': The environment variable key (string).
  10. * - 'operation': The operation to perform ('set' or 'get').
  11. * - 'value': The value to set the variable to (string, optional for 'get').
  12. */
  13. function batchEnvOperations(array $operations): void
  14. {
  15. // Use a file to store environment variables if memory is a concern.
  16. $envFile = 'env_isolated.txt';
  18. // Check if the environment file exists, create it if not.
  19. if (!file_exists($envFile)) {
  20. file_put_contents($envFile, ''); // Create empty file
  21. }
  23. foreach ($operations as $operation) {
  24. $key = $operation['key'];
  25. $operationType = $operation['operation'];
  26. $value = $operation['value'] ?? null; // Optional value
  28. if ($operationType === 'set') {
  29. // Write to the file
  30. $envContent = file_get_contents($envFile) . "\n" . $key . "=" . escapeshellarg($value);
  31. file_put_contents($envFile, $envContent); // Append to the file
  32. } elseif ($operationType === 'get') {
  33. // Read from the file
  34. if (file_exists($envFile)) {
  35. $content = file_get_contents($envFile);
  36. if (strpos($content, $key . "=") !== false) {
  37. $parts = explode("=", $content);
  38. if (count($parts) > 1) {
  39. $envValue = trim($parts[1]); // Remove leading/trailing whitespace
  40. //Set the environment variable
  41. putenv($key . "=" . $envValue);
  42. //echo "Environment variable '$key' set to '$envValue'.\n"; //For debugging
  43. }
  44. }
  45. }
  46. }
  47. }
  48. }
  51. //Example Usage (for testing):
  52. /*
  53. $operations = [
  54. ['key' => 'MY_VARIABLE', 'operation' => 'set', 'value' => 'my_value'],
  55. ['key' => 'ANOTHER_VAR', 'operation' => 'get'],
  56. ['key' => 'MY_VARIABLE', 'operation' => 'get'],
  57. ['key' => 'TEMP_VAR', 'operation' => 'set', 'value' => 'temp_value'],
  58. ];
  60. batchEnvOperations($operations);
  62. //Access the variables:
  63. echo getenv('MY_VARIABLE') . "\n";
  64. echo getenv('ANOTHER_VAR') . "\n";
  65. echo getenv('TEMP_VAR') . "\n";
  66. */
  68. ?>

Add your comment