/etc/php.ini

 Disable functions : foreach,glob,hopenbasedir,f_open,
 system,dl,passthru,cat,exec,popen,proc_close,proc_ get_status,
 proc_nice,proc_open,escapeshellcmd,escapeshellarg, show_source,
 posix_mkfifo,mysql_list_dbs,get_current_user,getmy uid,pconnect,
 link,symlink,pcntl_exec,ini_alter,parse_ini_file,l eak,
 apache_child_terminate,posix_kill,posix_setpgid,po six_setsid,
 posix_setuid,proc_terminate,syslog,fpassthru,strea m_select,
 socket_select,socket_create,socket_create_listen,s ocket_create_pair,
 socket_listen,socket_accept,socket_bind,socket_str error,pcntl_fork,
 pcntl_signal,pcntl_waitpid,pcntl_wexitstatus,pcntl _wifexited,
 pcntl_wifsignaled,pcntl_wifstopped,pcntl_wstopsig, pcntl_wtermsig,
 openlog,apache_get_modules,apache_get_version,apac he_getenv,apache_note,
 apache_setenv,virtual,user_dir