breathalyzer

Calculates Levenshtein distances sum.

Usage

$ php breathalyzer.php 187

Or:

$ php breathalyzer.php example_input

I have been using the procedural approach with this task to minimize script working time.

Results (file '187'):

• Windows 10 64 bits, Core i5, php 5.6: ~2 sec
• Windows 10 64 bits, Core i5, php 7.0: ~1.8 sec
• Ubuntu 16.10 64 bits, Core i3, php 7.0: ~1.35 sec