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<?php $allTags = [ 0 => [ "name" => "TAG-ONE", "video" => "64070,64076,64110,64111", ], 1 => [ "name" => "TAG-TWO", "video" => "64070,64076,64110,64111", ], 2 => [ "name" => "TAG-THREE", "video" => "64111", ] ]; $video_ids = array_flip(array_unique(explode(",",implode(",",array_column($allTags,'video'))))); $result = array_map(function($id){ return ['name' => '','video' => $id]; },array_flip($video_ids)); array_walk($allTags,function($tag_data) use (&$result,&$video_ids){ $ids = explode(",",$tag_data['video']); foreach($ids as $id) $result[$video_ids[$id]]['name'] = empty($result[$video_ids[$id]]['name']) ? $tag_data['name'] : $result[$video_ids[$id]]['name'] . "," . $tag_data['name']; }); print_r($result);
Output for 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 - 7.2.33, 7.3.0 - 7.3.26, 7.4.0 - 7.4.13, 8.0.0 - 8.0.2
Array ( [0] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64070 ) [1] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64076 ) [2] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64110 ) [3] => Array ( [name] => TAG-ONE,TAG-TWO,TAG-THREE [video] => 64111 ) )
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/vlIks on line 18
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vlIks on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/vlIks on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vlIks on line 3
Process exited with code 255.