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<?php var_export([ // string, then times '0:1' => str_repeat(0, 1), // '0' '1:0' => str_repeat(1, 0), // '' '0:0' => str_repeat(0, 0), // '' '1:1' => str_repeat(1, 1), // '1' ]); echo "\n---\n"; $params = [ ['one' => 0, 'two' => 1, 'three' => 0, 'four' => 1], // strings ['three' => 0, 'one' => 1, 'four' => 1, 'two' => 0], // times 'str_repeat' ]; var_export([ 'udiff' => array_udiff_assoc(...$params), 'uintersect' => array_uintersect_assoc(...$params), ]);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array ( '0:1' => '0', '1:0' => '', '0:0' => '', '1:1' => '1', ) --- array ( 'udiff' => array ( 'four' => 1, ), 'uintersect' => array ( 'one' => 0, 'two' => 1, 'three' => 0, ), )
preferences:
132.68 ms | 407 KiB | 5 Q