Php/docs/snmp.requirements
来自菜鸟教程
需求
In order to use the SNMP functions requires installation of the » Net-SNMP package. SNMPv3 functions available only when » OpenSSL package is installed too.
Beginning with PHP 5.4.0 Net-SNMP version 5.3+ is required for Unix installations and Net-SNMP version 5.4+ for Windows.