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Programming PHP, 3rd Edition by Peter MacIntyre, Kevin Tatroe, Rasmus Lerdorf

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Name

getmxrr

Synopsis

bool getmxrr(string host, array &hosts[, array &weights])

Searches DNS for all Mail Exchanger (MX) records for host. The results are put into the array hosts. If given, the weights for each MX record are put into weights. Returns true if any records are found and false if none are found.

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