预定义常量
下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
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YPERR_ACCESS
(integer) - access violation (this has only been added recently and is only available from PECL SVN for now)
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YPERR_BADARGS
(integer) - The function arguments are bad
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YPERR_BADDB
(integer) - YP database is bad
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YPERR_BUSY
(integer) - Database busy
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YPERR_DOMAIN
(integer) - cannot bind to server in this domain
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YPERR_KEY
(integer) - no such key in map
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YPERR_MAP
(integer) - no such map in server's domain
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YPERR_NODOM
(integer) - Local domain name not set
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YPERR_NOMORE
(integer) - No more records in map database
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YPERR_PMAP
(integer) - Can't communicate with portmapper
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YPERR_RESRC
(integer) - resource allocation failure
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YPERR_RPC
(integer) - RPC failure - domain has been unbound
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YPERR_YPBIND
(integer) - Can't communicate with ypbind
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YPERR_YPERR
(integer) - internal yp server or client error
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YPERR_YPSERV
(integer) - Can't communicate with ypserv
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YPERR_VERS
(integer) - YP version mismatch