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<?php $offset = "-1100"; $hours = substr($offset, 0, strlen($offset) - 2); $minutes = substr($offset, -2); $seconds = $hours * 60 * 60 + $minutes * 60; $tz = timezone_name_from_abbr('', $seconds, 1); if($tz === false) $tz = timezone_name_from_abbr('', $seconds, 0); print $tz; $localtime = \DateTime::createFromFormat( 'Y-m-d H:i:s', 'Wed, 01 Apr 2015 17:55:00 +0000', new \DateTimeZone($tz)); $dayOffset = 0; $dateInterval = new \DateInterval("P{$dayOffset}D"); $localtime->add($dateInterval); print $localtime->format(\DateTime::RFC2822);
Output for 8.3.0 - 8.3.4, 8.3.6
Pacific/Apia Fatal error: Uncaught Error: Call to a member function add() on false in /in/o0Ye7:14 Stack trace: #0 {main} thrown in /in/o0Ye7 on line 14
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Pacific/Apia Fatal error: Uncaught Error: Call to a member function add() on false in /in/o0Ye7:14 Stack trace: #0 {main} thrown in /in/o0Ye7 on line 14
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Pacific/Apia Fatal error: Uncaught Error: Call to a member function add() on bool in /in/o0Ye7:14 Stack trace: #0 {main} thrown in /in/o0Ye7 on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Pacific/Apia Fatal error: Uncaught Error: Call to a member function add() on boolean in /in/o0Ye7:14 Stack trace: #0 {main} thrown in /in/o0Ye7 on line 14
Process exited with code 255.
Output for 5.6.8 - 5.6.21
Pacific/Apia Fatal error: Call to a member function add() on boolean in /in/o0Ye7 on line 14
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Pacific/Apia Fatal error: Call to a member function add() on a non-object in /in/o0Ye7 on line 14
Process exited with code 255.

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