PHP security settings: Disabling Dangerous functions

Found in php.ini

Disable_functions =

This line, after which you add a dangerous function name that you want to prohibit, separated by commas in English

Disable_functions = Phpinfo, Set_time_limit,system,exec,shell_exec,passthru,
Proc_open,proc_close,proc_get_status,checkdnsrr,getmxrr,getservbyhttp://www.aliyun.com/zixun/aggregation/11696.html ">name,
Getservbyport,syslog,popen,show_source,highlight_file,posix_ctermid,
Posix_get_last_error,posix_getcwd,posix_getegid,posix_geteuid,posix_getgid,
Posix_getgrgid,posix_getgrnam,posix_getgroups,posix_getlogin,posix_getpgid,
Posix_getpgrp,posix_getpid,posix_getppid,posix_getpwnam,posix_getpwuid,
Posix_getrlimit,posix_getsid,posix_getuid,posix_isatty,posix_kill,posix_mkfifo,
Posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,
POSIX_SETUID,POSIX_STRERROR,POSIX_TIMES,POSIX_TTYNAME,POSIX_UNAME,DL,
Socket_listen,socket_create,socket_bind,socket_accept,socket_connect,
Stream_socket_server,stream_socket_accept,stream_socket_client,ftp_connect,
Ftp_login,ftp_pasv,ftp_get,zlib.compress,gzopen,gzpassthru,gzcompress,
Passthru,chroot,scandir,chgrp,chown,shell_exec,proc_open,proc_get_status,
Ini_alter,ini_restore,dl,pfsockopen,openlog,syslog,readlink,symlink,
Popepassthu,stream_socket_srver,scandir,chgrp,chown,shell_exec,proc_open,
Proc_get_status,error_log,ini_alter,ini_set,ini_restore,dl,pfsockopen,
Syslog,readlink,symlink,popen,stream_socket_server,putenv