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<?php var_export( \DateTime::createFromFormat( 'Y-m-d H:i:sO', '0021-08-21 00:00:00+00:49:56' ) );
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
\DateTime::__set_state(array( 'date' => '0021-08-21 00:00:00.000000', 'timezone_type' => 1, 'timezone' => '+00:49', ))
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 \DateTime::__set_state(array( 'date' => '0021-08-21 00:00:00.000000', 'timezone_type' => 1, 'timezone' => '+00:49', ))
Output for 8.1.7 - 8.1.27
DateTime::__set_state(array( 'date' => '0021-08-21 00:00:00.000000', 'timezone_type' => 1, 'timezone' => '+00:49', ))
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.6
false
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.9
DateTime::__set_state(array( 'date' => '0021-08-21 00:00:00.000000', 'timezone_type' => 1, 'timezone' => '+00:00', ))

preferences:
136.28 ms | 402 KiB | 155 Q