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<?php $a = [ [ 'model_id' => 1, 'price' => 2000 ], [ 'model_id' => 2, 'price' => 3000 ], [ 'model_id' => 1, 'price' => 1500 ] ]; $groupByModelId = []; foreach($a as $v){ $groupByModelId[$v['model_id']][] = $v['price']; } $searchModelId = 1; echo min($groupByModelId[$searchModelId]);
Output for git.master, git.master_jit, rfc.property-hooks
1500

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