RETURNS an associative ARRAY containing DST offset and timezone name.
<?php
/* - - - - - - - - - - - - - - - - -
Object oriented style
- - - - - - - - - - - - - - - - - */
arr public static array DateTimeZone::listAbbreviations ( )
?>
<?php
/* - - - - - - - - - - - - - - - - -
Procedural style
- - - - - - - - - - - - - - - - - */
arr timezone_abbreviations_list ( )
?>
EXERCISE
<?php
$lang = 'en';
if (function_exists("timezone_abbreviations_list"))
{
$arr_timez_abb_lst1 = timezone_abbreviations_list();
$nb01 = count($arr_timez_abb_lst1);
$en = 'Timezone abbreviations list: <br>';
echo $$lang;
echo '<pre>';
var_dump($arr_timez_abb_lst1);
echo '</pre><br>';
}
else
{
$en = 'FUNCTION NOT IMPLEMENTED ON THIS PLATFORM!';
echo $$lang . '<br>';
}
?>
EXERCISE
<?php
echo 'PHP: ' . PHP_VERSION . '<br><br>';
$arr_abbr_lst = timezone_abbreviations_list();
$arr_keys_lst = array_keys($arr_abbr_lst);
foreach($arr_keys_lst as $abrv)
{
echo '"' . $abrv . '", ';
}
?>
EXERCISE
<?php
$arr_abbr_list = DateTimeZone::listAbbreviations();
?>
<table align="center" width="100%" cellspacing="5"
cellpadding="5" border="1">
<tr><td>Timezone ID<br><?php echo 'PHP ' . PHP_VERSION; ?></td><td>ABBREVIATIONS</td><td>offset</td>
<td>GMT DIFFERENCE</td></tr>
<?php
$arr_abbr_lst = timezone_abbreviations_list();
$abr = array_keys($arr_abbr_lst);
foreach($abr as $x)
{
foreach($arr_abbr_list[$x] as $tzname)
{
echo '<tr>
<td>' . $tzname['timezone_id'] . '</td><td>' . $x
. '</td><td>' . $tzname['offset']
. '</td><td>' . bcdiv($tzname['offset'], 3600) . 'h</td></tr>';
}
}
?>
<tr><td colspan="4">ed48</td></tr></table>
EXERCISE
<?php
$arr_abbr_list = DateTimeZone::listAbbreviations();
?>
<table align="center" width="100%" cellspacing="5"
cellpadding="5" border="1"><tr>
<td>Timezone ID</td><td>ABBR</td><td>NAME</td>
<td>offset</td><td>GMT DIFFERENCE</td></tr>
<?php
$abr = [ "ywt" => "Yukon Time Zone", "ypt" => "YPT",
"ydt" => "YDT", "yddt" => "YDDT", "wmt" => "WMT",
"wit" => "WIT", "wita" => "WITA", "wib" => "WIB",
"wet" => "Western European Time",
"west" => "Western European Summer Time", "wemt" => "WEMT",
"wat" => "West Africa Time", "wast" => "West Africa Summer Time",
"utc" => "Coordinated Universal Time", "uct" => "UCT",
"tmt" => "Turkmenistan Time", "tbmt" => "TBMT",
"sst" => "Singapore Standard Time", "smt" => "SMT",
"sjmt" => "SJMT", "sdmt" => "SDMT",
"sast" => "South African Standard Time", "rmt" => "RMT",
"qmt" => "QMT", "pwt" => "PWT", "pst" => "Philippine Standard Time",
"ppt" => "PPT", "ppmt" => "PPMT", "pmt" => "PMT",
"plmt" => "PLMT", "pkt" => "Pakistan Standard Time",
"pkst" => "PKST", "pdt" => "Pacific Daylight Time",
"pddt" => "PDDT", "nzst" => "New Zealand Standard Time",
"nzmt" => "NZMT", "nzdt" => "New Zealand Daylight Time",
"nwt" => "NWT", "nst" => "Newfoundland Standard Time",
"npt" => "Nepal Time", "ndt" => "Newfoundland Daylight Time",
"nddt" => "NDDT", "mwt" => "MWT", "mst" => "Mountain Standard Time",
"msk" => "Moscow Time", "msd" => "MSD", "mpt" => "MPT",
"mmt" => "Myanmar Standard Time", "mdt" => "Mountain Daylight Time",
"mdst" => "MDST", "mddt" => "MDDT", "lst" => "LST",
"kst" => "Korea Standard Time", "kmt" => "KMT", "kdt" => "KDT",
"jst" => "Japan Standard Time", "jmt" => "JMT", "jdt" => "JDT",
"ist" => "Israel Standard Time", "imt" => "IMT",
"idt" => "Israel Daylight Time", "iddt" => "IDDT",
"hst" => "Hawaii–Aleutian Standard Time",
"hmt" => "Heard and McDonald Islands Time", "hkt" => "Hong Kong Time",
"hkst" => "HKST", "hdt" => "Hawaii–Aleutian Daylight Time",
"gst" => "Gulf Standard Time", "gmt" => " Greenwich Mean Time",
"fmt" => "FMT", "ffmt" => "FFMT", "ewt" => "EWT",
"est" => "Eastern Standard Time", "ept" => "EPT", "emt" => "EMT",
"eet" => "Eastern European Time", "eest" => "Eastern European Summer Time",
"edt" => "Eastern Daylight Time", "eddt" => "EDDT",
"eat" => "East Africa Time", "dmt" => "DMT",
"chst" => "Chamorro Standard Time", "cwt" => "CWT",
"cst" => "Cuba Standard Time", "cpt" => "CPT", "cmt" => "CMT",
"cet" => "Central European Time", "cest" => "Central European Summer Time",
"cemt" => "CEMT", "cdt" => "Cuba Daylight Time", "cddt" => "CDDT",
"cat" => "Central Africa Time", "cast" => "CAST",
"bst" => "British Summer Time", "bmt" => "BMT",
"bdt" => "Brunei Time", "bdst" => "BDST", "awt" => "AWT",
"awst" => "Australian Western Standard Time", "awdt" => "AWDT",
"ast" => "Atlantic Standard Time", "apt" => "APT",
"amt" => "Armenia Time", "akst" => "Alaska Standard Time",
"akdt" => "Alaska Daylight Time", "ahst" => "AHST",
"ahdt" => "AHDT", "aest" => "Australian Eastern Standard Time",
"aedt" => "Australian Eastern Daylight Savings Time",
"adt" => "Atlantic Daylight Time", "addt" => "ADDT",
"acst" => "Australian Central Standard Time",
"acdt" => "Australian Central Daylight Savings Time" ];
$cnt = count($abr);
$cnt = $cnt - 1;
foreach($abr as $x => $v)
{
foreach($arr_abbr_list[$x] as $tzname)
{
{
echo ' <tr>
<td>' . $tzname['timezone_id']
. '</td><td>' . $x
. '</td><td>' . $v . '</td><td>' . $tzname['offset']
. '</td><td>' . bcdiv($tzname['offset'], 3600) . 'h</td></tr>';
}
}
}
?>
<tr><td colspan="5">ed48</td></tr></table>