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<?php $data=['entities'=>['Q3045586'=>['claims'=>'here we are!']]]; // If we know the id Q3045586, it is easy to find the claims: echo $data['entities']['Q3045586']['claims']; // Any elegant solution if we don't?
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
here we are!

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160.37 ms | 404 KiB | 182 Q