Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Fix bug #77143 - add more checks to buffer reads
  Fix bug #77143 - add more checks to buffer reads
  Fix #77020: null pointer dereference in imap_mail
  Don't need interactive progress on git clones in Travis
  Fix TSRM signature - php_stream_stat macro has it's own TSRM
  Regenerate certificates for openssl tests
  Improve test for bug77022

diff --cc .travis.yml
Simple merge

diff --cc ext/imap/php_imap.c
Simple merge

diff --cc ext/phar/phar.c
Simple merge