grpc1.45.2/templates/tools/doxygen/Doxyfile.php.include

<%namespace import="doxy_base" file="Doxyfile.base"/>
<%def name="gen_doxyfile(internal)">
<%
  import itertools
  import glob
  import os
  import fnmatch
  import subprocess
  
  srcdoc = []
  for dirpath, dirnames, filenames in os.walk('src/php'):
    for filename in filenames:
      if os.path.splitext(filename)[1] == '.md':
        srcdoc.append(os.path.join(dirpath, filename))

  subprocess.check_call(["src/php/bin/php_extension_to_php_doc.sh", "generate"])

  version = settings.php_version
  doxy_input = ' \\\n'.join(sorted(set(
        itertools.chain(
            glob.glob('src/php/lib/Grpc/*.php'),
            glob.glob('src/php/lib/Grpc/Internal/*.php') if internal else [],
            glob.glob('doc/*.md'),
            srcdoc)
    )))

  subprocess.check_call(["src/php/bin/php_extension_to_php_doc.sh", "cleanup"])
%>
${doxy_base("PHP", version, doxy_input, internal)}
</%def>