count_headers() returns the number of headers currently in-effect. It is our expected number, not the number of values we actually get.
Keep in mind that the number of headers in a file can change at any time. Each time we call reset_headers() the return from count_headers() is also reset.
| Purpose | Value |
|---|---|
| Main focus | count_headers() produces a calculated value |
| Context | Qualifier |
|---|---|
| Match qualifiers | onmatch |
| Value qualifiers | onmatch |