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<?php $arrayA = [ [ 'slug' => 'bob', 'name' => 'Bob', 'age' => '10', ], [ 'slug' => 'alice', 'name' => 'Alice', 'age' => '15', ], [ 'slug' => 'carl', 'name' => 'Carl', 'age' => '17', ] ]; $arrayB = array_column($arrayA, 'name', 'slug'); print_r($arrayB);
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 - 8.3.25, 8.4.1 - 8.4.12
Array ( [bob] => Bob [alice] => Alice [carl] => Carl )

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122.53 ms | 406 KiB | 5 Q