Everyone:
I'd like to invite you all to examine this code:
static private $m_tz = array("A" => 1, "ACDT" => 10.5, "ACST" =>
9.5, "ADT" => -3, "AEDT" => 11,
"AEST" => 10, "AKDT" => -8, "AKST" => -9, "AST" => -4, "AWDT" =>
9, "AWST" => 8,
"B" => 2, "BST" => 1, "C" => 3, "CDT" => -5, "CEDT" => 2, "CEST"
=> 2,
"CET" => 1, "CST" => -6, "CXT" => 7, "D" => 4, "E" => 5, "EDT"
=> -4,
"EEDT" => 3, "EEST" => 3, "EET" => 2, "EST" => -5, "F" => 6, "G"
=> 7,
"GMT" => 0, "H" => 8, "HAA" => -3, "HAC" => -5, "HADT" => -9,
"HAE" => -4,
"HAP" => -7, "HAR" => -6, "HAST" => -10, "HAT" => -2.5, "HAY" => -8,
"HNA" => -4, "HNC" => -6, "HNE" => -5, "HNP" => -8, "HNR" => -7,
"HNT" => -3.5,
"HNY" => -9, "I" => 9, "IST" => 1, "K" => 10, "L" => 11, "M" => 12,
"MDT" => -6, "MESZ" => 2, "MEZ" => 1, "MSD" => 4, "MSK" => 3,
"MST" => -7,
"N" => -1, "NDT" => -2.5, "NFT" => 11.5, "NST" => -3.5, "O" =>
-2, "P" => -3,
"PDT" => -7, "PST" => -8, "Q" => -4, "R" => -5, "S" -> -6, "T"
=> -7,
"U" => -8, "UTC" => 0, "V" => -9, "W" => -10, "WDT" => 9, "WEDT"
=> 1,
"WEST" => 1, "WET" => 0, "WST" => 8, "X" => -11, "Y" => -12, "Z"
=> 0);
It is an array that furnishes time offsets for every known time-zone
abbreviation, in its most commonly-used meaning. (For example, "EST" is
taken to mean "Eastern Standard Time" in North America, not Australia.)
It uses the symbol as the key and returns a direct time offset. The
source for this is:
<http://timeanddate.com/library/abbreviations/timezones/>
This includes a number of acronyms that derive from French, German, and
presumably Russian, as well as English. It also uses letters of the
alphabet to stand for the military time zones.
Now all I need to do is compose a regular expression to yield the
symbol, and then I can get the offset by a simple array call.
Temlakos
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