simplexml_load_string() seems to complain if $response is not valid.

~ line 1724:

$xml_response = simplexml_load_string($response);

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alex_b’s picture

alex_b commented
Title: warning: simplexml_load_string() » Better message on "warning: simplexml_load_string()" error
Category: bug » feature
Priority: Normal » Minor

This issue occurs, if the pfpro binaries couldn't be found. I check wether the shell_exec() call returned a valid XML result could help site builders better deal with this issue.