1. <?php
  3. /**
  4. * Compresses file contents for synchronous execution testing.
  5. *
  6. * @param string $filePath The path to the file to compress.
  7. * @return string The compressed file contents. Returns false on error.
  8. */
  9. function compactFileContents(string $filePath): string|false {
  10. if (!file_exists($filePath)) {
  11. return false; // File does not exist
  12. }
  14. $fileContents = file_get_contents($filePath);
  15. if ($fileContents === false) {
  16. return false; // Failed to read file
  17. }
  19. // Use gzcompress for synchronous compression
  20. $compressedContents = gzcompress($fileContents, 9); // 9 is the highest compression level
  22. if ($compressedContents === false) {
  23. return false; // Failed to compress
  24. }
  26. return $compressedContents;
  27. }
  29. //Example usage (replace with your file path)
  30. //$filePath = 'test.txt';
  31. //$compressedData = compactFileContents($filePath);
  33. //if ($compressedData !== false) {
  34. // echo "File compressed successfully.\n";
  35. // //Output the compressed data here or save it to a file.
  36. // echo $compressedData;
  37. //} else {
  38. // echo "File compression failed.\n";
  39. //}
  41. ?>

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