php如何安装soap扩展

extension = php_soap.dll

[soap]
; Enables or disables WSDL caching feature.
; http://php.net/soap.wsdl-cache-enabled
soap.wsdl_cache_enabled=1
; Sets the directory name where SOAP extension will put cache files.
; http://php.net/soap.wsdl-cache-dir
soap.wsdl_cache_dir="D:/wamp/tmp"
; (time to live) Sets the number of second while cached file will be used
; instead of original one.
; http://php.net/soap.wsdl-cache-ttl
soap.wsdl_cache_ttl=86400
; Sets the size of the cache limit. (Max. number of WSDL files to cache)
soap.wsdl_cache_limit = 5