1. <?php
  3. /**
  4. * Generates configuration for log entry validation checks with limited memory usage.
  5. *
  6. * @param array $fields An array of fields to validate.
  7. * @param array $validationRules An array of validation rules for each field.
  8. *
  9. * @return string Configuration string.
  10. */
  11. function generateLogValidationConfig(array $fields, array $validationRules): string
  12. {
  13. $config = '{\n';
  15. foreach ($fields as $field) {
  16. $config .= ' "' . $field . '"},\n';
  17. }
  19. $config .= ',\n';
  21. foreach ($validationRules as $field => $rules) {
  22. $config .= ' ' . $field . ': [' . json_encode($rules) . '],\n';
  23. }
  25. $config .= '}\n';
  27. return $config;
  28. }
  30. // Example usage:
  31. /*
  32. $fields = ['user_id', 'timestamp', 'action', 'message'];
  33. $validationRules = [
  34. 'user_id' => ['type' => 'integer', 'required' => true],
  35. 'timestamp' => ['type' => 'string', 'format' => 'unix'],
  36. 'action' => ['type' => 'string', 'allowed_values' => ['login', 'logout', 'post', 'get']],
  37. 'message' => ['type' => 'string', 'max_length' => 255]
  38. ];
  40. $config = generateLogValidationConfig($fields, $validationRules);
  41. echo $config;
  42. */
  44. ?>

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