[wp-trac] [WordPress Trac] #41578: Assure that $_SERVER['PATH_INFO'] is available

[WordPress Trac]

#41578: Assure that $_SERVER['PATH_INFO'] is available
----------------------------+------------------------------
 Reporter:  glehner         |       Owner:
     Type:  enhancement     |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Bootstrap/Load  |     Version:  4.8.1
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:
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Comment (by glehner):

 Replying to [ticket:41578 glehner]:
 > I use the [http://www.fefe.de/gatling/ gatling] web server on one of my
 servers (low ressorce consumption). gatling will not set the PATH_INFO
 environment variable if no path info is available which causes the home
 page of WP to enter an endless redirect loop.
 >
 > I managed to fix this by setting {{{$_SERVER['PATH_INFO']}}} to the
 empty string in an unhandled condition in wp-includes/load.php.

 ----
 I have been able to run WordPress unmodified by adding the REQUEST_URI
 environment variable to the wrapper script which runs index.php as CGI or
 feeds it to FCGI respectively.

 The gatling web server only provides the RFC3875 environment variables.

 SCRIPT_NAME and PATH_INFO allow to assemble REQUEST_URI like this (Bourne
 shell):

 {{{
 REQUEST_URI="$SCRIPT_NAME"
 if [ "$PATH_INFO" ]; then
     REQUEST_URI="${REQUEST_URI}/${PATH_INFO}"
 fi
 if [ "$QUERY_STRING" ]; then
     REQUEST_URI="${REQUEST_URI}?${QUERY_STRING}"
 fi
 }}}

 Such a construction could be done by WordPress also, if REQUEST_URI is not
 available.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41578#comment:4>
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