In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/scripts/IPV6.INET.php line 6:

function cmd($cmd) {echo $cmd."\n";}

             ^-- SC1065 (error): Trying to declare parameters? Don't. Use () and refer to params as $1, $2..

                    ^-- SC1054 (error): You need a space after the '{'.

In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/scripts/IPV6.INET.php line 7:

function msg($msg) {cmd("echo ".$msg." > /dev/console");}

             ^-- SC1065 (error): Trying to declare parameters? Don't. Use () and refer to params as $1, $2..

                   ^-- SC1009 (info): The mentioned syntax error was in this brace group.

                    ^-- SC1054 (error): You need a space after the '{'.

                    ^-- SC1073 (error): Couldn't parse this function. Fix to allow more checks.

                        ^-- SC1065 (error): Trying to declare parameters? Don't. Use () and refer to params as $1, $2..

                                                       ^-- SC1064 (error): Expected a { to open the function definition.

                                                       ^-- SC1072 (error):  Fix any mentioned problems and try again.

For more information:

  https://www.shellcheck.net/wiki/SC1054 -- You need a space after the '{'.

  https://www.shellcheck.net/wiki/SC1064 -- Expected a { to open the function...

  https://www.shellcheck.net/wiki/SC1065 -- Trying to declare parameters? Don...

[*] Source file IPV6.INET.php