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<?php $foo = null; echo serialize(['brand_user_id' => 123, 'last_login_dt' => $foo ? $foo->format('Y-m-d') : null]); print_r(unserialize('a:2:{s:13:"brand_user_id";i:123;s:13:"last_login_dt";N;}'));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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, 8.3.0 - 8.3.4, 8.3.6
a:2:{s:13:"brand_user_id";i:123;s:13:"last_login_dt";N;}Array ( [brand_user_id] => 123 [last_login_dt] => )
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 a:2:{s:13:"brand_user_id";i:123;s:13:"last_login_dt";N;}Array ( [brand_user_id] => 123 [last_login_dt] => )
preferences:
161.14 ms | 402 KiB | 199 Q