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run code in 200+ php & hhvm versions
Bugs & Features
<?php function tz_offset_to_name($offset) { $offset *= 3600; // convert hour offset to seconds $abbrarray = timezone_abbreviations_list(); foreach ($abbrarray as $abbr) { foreach ($abbr as $city) { if ($city['offset'] == $offset) { return $city['timezone_id']; } } } return FALSE; } echo tz_offset_to_name("+5:00");
based on Jt8JA
Output for 7.2.0
Notice: A non well formed numeric value encountered in /in/6SpeE on line 4 Asia/Karachi
Output for 7.1.0 - 7.1.10
Notice: A non well formed numeric value encountered in /in/6SpeE on line 4 Indian/Chagos
Output for 5.2.0 - 7.0.20
Asia/Aqtobe
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function timezone_abbreviations_list() in /in/6SpeE on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: timezone_abbreviations_list() in /in/6SpeE on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: timezone_abbreviations_list() in /in/6SpeE on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: timezone_abbreviations_list() in /in/6SpeE on line 5