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<?php $array = [ ['id' => 117, 'name' => 'Networking', 'count' => 16], ['id' => 188, 'name' => 'FTP', 'count' => 23], ['id' => 189, 'name' => 'Internet', 'count' => 48], ]; $counts = array_column($array, 'count'); var_export(['min' => min($counts), 'max' => max($counts)]);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'min' => 16, 'max' => 48, )

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