1. <?php
  3. /**
  4. * Data Dataset Value Replacement Utility.
  5. *
  6. * Replaces values in a dataset with specified replacements.
  7. * Handles various data types (numeric, string, boolean, null).
  8. *
  9. * @param array $data The dataset (array of arrays/values).
  10. * @param array $replacements An associative array of replacements.
  11. * Keys are the values to be replaced, values are the replacements.
  12. * @return array The modified dataset.
  13. */
  14. function replaceDatasetValues(array $data, array $replacements): array
  15. {
  16. $modifiedData = []; // Initialize an empty array to store the modified data.
  18. foreach ($data as $row) { // Iterate through each row in the dataset.
  19. $modifiedRow = []; // Initialize an empty array for the modified row.
  21. foreach ($row as $value) { // Iterate through each value in the row.
  22. if (isset($replacements[$value])) { // Check if the value exists in the replacements array.
  23. $modifiedRow[] = $replacements[$value]; // Replace the value with the corresponding replacement.
  24. } else {
  25. $modifiedRow[] = $value; // Keep the original value if no replacement is found.
  26. }
  27. }
  29. $modifiedData[] = $modifiedRow; // Add the modified row to the modified dataset.
  30. }
  32. return $modifiedData; // Return the modified dataset.
  33. }
  36. /**
  37. * Example Usage
  38. */
  40. // Sample Dataset
  41. $data = [
  42. [1, 'apple', true, null],
  43. [2, 'banana', false, 1],
  44. [3, 'apple', true, 'orange'],
  45. ];
  47. // Replacements
  48. $replacements = [
  49. 1 => 'one',
  50. 'apple' => 'apricot',
  51. true => 'yes',
  52. null => 'empty',
  53. 'orange' => 'grape'
  54. ];
  56. // Apply replacements
  57. $modifiedData = replaceDatasetValues($data, $replacements);
  59. // Output (for demonstration)
  60. echo "<pre>";
  61. print_r($modifiedData);
  62. echo "</pre>";
  64. ?>

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