eio_ftruncate

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fd

Stream, Socket resource, or numeric file descriptor.

offset

Offset from beginning of the file

pri

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callback

callback 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟斤拷谩锟斤拷锟接ζワ拷锟揭伙拷锟皆拷停锟�

void callback(mixed $data, int $result[, resource $req]);

data

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result

锟斤拷锟斤拷锟斤拷锟侥斤拷锟斤拷锟街碉拷锟酵拷锟斤拷锟斤拷锟接︼拷锟较低筹拷锟斤拷梅锟斤拷氐锟街碉拷锟�

req

锟斤拷选锟斤拷锟斤拷锟斤拷锟斤拷源锟斤拷锟缴憋拷 eio_get_last_error() 之锟斤拷暮锟斤拷锟绞癸拷谩锟�

data

Arbitrary variable passed to callback.