All reports of obsolete-comments-style-in-php-ini for the archive. The extended description of this tag is:

This package ships a .ini file used to configure php but it has comments using the old-style comment separator #. Instead, the ; separator should be used.

Since version 5.3, the PHP interpreter warns about the use of the old style of comment separator.

Severity: normal, Certainty: certain

Check: files, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.