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<?php $dates = [ null, new DateTime("now"), null, new DateTime("yesterday"), ]; $minDate = null; foreach ($dates as $date) { if ($date && (!$minDate || $date < $minDate)) { $minDate = $date; } } var_export($minDate);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
\DateTime::__set_state(array( 'date' => '2020-05-14 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'Europe/Amsterdam', ))
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' => '2020-05-14 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'Europe/Amsterdam', ))
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28
DateTime::__set_state(array( 'date' => '2020-05-14 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'Europe/Amsterdam', ))
Output for 7.3.32, 7.4.26, 8.0.13
DateTime::__set_state(array( 'date' => '2020-05-13 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'UTC', ))
preferences:
195.03 ms | 401 KiB | 181 Q