1. <?php
  3. /**
  4. * Reads form field configurations from a configuration file.
  5. *
  6. * This function reads the form field configurations from a file
  7. * and returns an array of field definitions. It assumes a simple
  8. * format where each line represents a field and uses a key-value
  9. * pair separated by a colon.
  10. *
  11. * @param string $config_file Path to the configuration file.
  12. * @return array|false An array of field definitions, or false on error.
  13. */
  14. function readFormFieldConfig(string $config_file): array|false
  15. {
  16. $config = [];
  18. if (file_exists($config_file)) {
  19. // Open the configuration file for reading.
  20. $file = fopen($config_file, 'r');
  22. if ($file) {
  23. while (($line = fgets($file)) !== false) {
  24. // Trim whitespace from the line.
  25. $line = trim($line);
  27. // Skip empty lines and comments.
  28. if (empty($line) || strpos($line, '#') === 0) {
  29. continue;
  30. }
  32. // Split the line into key and value.
  33. list($key, $value) = explode(':', $line, 2);
  35. // Trim whitespace from the key and value.
  36. $key = trim($key);
  37. $value = trim($value);
  39. // Add the field definition to the array.
  40. $config[$key] = $value;
  41. }
  42. fclose($file);
  43. } else {
  44. // Handle file opening error.
  45. return false;
  46. }
  47. } else {
  48. // Handle file not found error.
  49. return false;
  50. }
  52. return $config;
  53. }
  55. /**
  56. * Example usage (demonstration). This is not part of the core function.
  57. */
  58. $config_file = 'form_config.txt'; // Replace with your config file.
  60. $form_fields = readFormFieldConfig($config_file);
  62. if ($form_fields !== false) {
  63. // Print the configuration.
  64. echo "<pre>";
  65. print_r($form_fields);
  66. echo "</pre>";
  68. // Access a specific field.
  69. if (isset($form_fields['name'])) {
  70. echo "Name field: " . $form_fields['name'] . "<br>";
  71. }
  72. } else {
  73. echo "Error reading form configuration.";
  74. }
  76. ?>

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