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<?php $pos = strpos('PHP 5.6.10', phpversion()); if($pos !== false){ print "<pre>"; $arr = timezone_abbreviations_list(); print_r($arr['sgt']); die; } ?>
based on qsItc
Output for 5.3.18 - 5.6.9, 5.6.11 - 7.2.0
Output for 5.6.10
<pre>Array ( [0] => Array ( [dst] => [offset] => 28800 [timezone_id] => Asia/Singapore ) [1] => Array ( [dst] => [offset] => 27000 [timezone_id] => Asia/Singapore ) )