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<?php function array_diff_objects (array $array1, array ... $arrays): array { $arrays[] = function (object $a, object $b) { if ($a === $b) { return 0; } return spl_object_id($a) > spl_object_id($b) ? -1 : 1; }; return array_udiff($array1, ... $arrays); } class C {} $a = new C; $a->foo = 'aa'; $b = new C; $b->foo = 'bb'; $c = new C; $c->foo = 'cc'; var_dump(array_diff_objects([$b, $a, $c], [$c, $b]));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 20 Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 21 Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 22 array(1) { [1]=> object(C)#1 (1) { ["foo"]=> string(2) "aa" } }
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 Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 20 Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 21 Deprecated: Creation of dynamic property C::$foo is deprecated in /in/lWH0C on line 22 array(1) { [1]=> object(C)#1 (1) { ["foo"]=> string(2) "aa" } }
Output for 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
array(1) { [1]=> object(C)#1 (1) { ["foo"]=> string(2) "aa" } }
preferences:
175.2 ms | 402 KiB | 175 Q