php的disable_functions例如开启shell_exec
vim /usr/local/php/etc/php.ini
去掉shell_exec
disable_functions = passthru,exec,system,chroot,chgrp,chown,shell_exec,proc_open,proc_get_status,popen,ini_alter,ini_restore,dl,openlog,syslog,readlink
,symlink,popepassthru,stream_socket_server
改成
disable_functions = passthru,exec,system,chroot,chgrp,chown,proc_open,proc_get_status,popen,ini_alter,ini_restore,dl,openlog,syslog,readlink
,symlink,popepassthru,stream_socket_server