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<?php $communityIds = array(array('community_id' => '123', 'community_org' => 'whatevs'), array( 'community_id' => '345', 'community_org' => 'and such'), array('community_id' =>'789', 'community_org' => 'and how')); $communities = array(); $communities[3456] = 1; foreach($communityIds as $communityId) { unset($communities[$communityId['community_id']]); } print_r($communityIds); print_r($communities);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.4, 7.2.6, 7.2.9 - 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 - 8.3.6
Array ( [0] => Array ( [community_id] => 123 [community_org] => whatevs ) [1] => Array ( [community_id] => 345 [community_org] => and such ) [2] => Array ( [community_id] => 789 [community_org] => and how ) ) Array ( [3456] => 1 )
Output for 7.2.5, 7.2.7 - 7.2.8

Process exited with code 137.

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