Identical setups writing/not writing E_PARSE to error_log

Howdy, We are looking for insight into what might cause two identical setups to treat E_PARSE differently. It is as if error_reporting, display_errors, display_startup_errors, and log_errors (in main php.ini and reflected in phpinfo()) are in effect on one and ignored on the other. Both servers: * are the same OS and architecture * have the same PHPs, extensions * have the same php.ini (which phpinfo() reflects is actually in effect) * on both: error_reporting is E_ALL, log_errors is On, display_startup_errors on or off does’t change anything * All 5.x and 7.x behave consistently on a given machine * we simplify by calling the syntactically incorrect script via the binary in a shell (i.e. no web server setup weirdness) * each path involved has no php.ini or .user.ini (or .htaccess FTM) * error_log(…) will write to $CWD/error_log ok On server A: 1. a syntax error gets written to $CWD/error_log 2. Is out put if display_errors is On 3. via CGI is a 500 4. via CLI exits unclean On Server B: 1. a syntax error does not get written to $CWD/error_log 2. Is not output when display_errors is On 3. via CGI is a 200 4. via CLI exits clean Here it is in action as boiled down as we can get: Server where it is logged: ``` # wc -l error_log;/usr/bin/php-cgi syn.php;echo $?;wc -l error_log wc: error_log: No such file or directory Status: 500 Internal Server Error Content-type: text/html; charset=UTF-8 255 1 error_log # wc -l error_log;/usr/bin/php syn.php;echo $?;wc -l error_log 1 error_log 255 2 error_log # ``` Server where it is not logged: ``` # wc -l error_log;/usr/bin/php-cgi syn.php;echo $?;wc -l error_log wc: error_log: No such file or directory Content-type: text/html; charset=UTF-8 0 wc: error_log: No such file or directory # touch error_log # wc -l error_log;/usr/bin/php-cgi syn.php;echo $?;wc -l error_log 0 error_log Content-type: text/html; charset=UTF-8 0 0 error_log # wc -l error_log;/usr/bin/php syn.php;echo $?;wc -l error_log 0 error_log 0 0 error_log # ``` If you have any ideas of what might cause that we’d be very grateful. Thanks! — Dan

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