Is it right to be :
system, system_exec, shell, shell_exec, exec, passthru, escapeshellarg, escapeshellcmd, proc_close, proc_open, ini_alter, dl, popen, parse_ini_file, show_source
or :
system,system_exec,shell,shell_exec,exec,passthru,escapeshellarg,escapeshellcmd,proc_close,proc_open,ini_alter,dl,popen,parse_ini_file,show_source
system, system_exec, shell, shell_exec, exec, passthru, escapeshellarg, escapeshellcmd, proc_close, proc_open, ini_alter, dl, popen, parse_ini_file, show_source
or :
system,system_exec,shell,shell_exec,exec,passthru,escapeshellarg,escapeshellcmd,proc_close,proc_open,ini_alter,dl,popen,parse_ini_file,show_source