Online PHP editor | refs for esc9Q

<?php $array = [ ['entity_id' => 10, 'product_id' => 424, 'city' => 18, 'sort_order' => 10, 'deal_type_id' => 'dow', 'deal_from_date' => '2010-12-18', 'deal_to_date' => '2026-02-19'], ['entity_id' => 11, 'product_id' => 423, 'city' => 18, 'sort_order' => 11, 'deal_type_id' => 'dow', 'deal_from_date' => '2010-12-18', 'deal_to_date' => '2027-02-19'], ['entity_id' => 12, 'product_id' => 422, 'city' => 18, 'sort_order' => 12, 'deal_type_id' => 'dow', 'deal_from_date' => '2011-12-18', 'deal_to_date' => '2030-01-19'], ['entity_id' => 13, 'product_id' => 420, 'city' => 18, 'sort_order' => 13, 'deal_type_id' => 'dow', 'deal_from_date' => '2011-12-18', 'deal_to_date' => '2030-01-19'], ['entity_id' => 1, 'product_id' => 463, 'city' => 18, 'sort_order' => 1, 'deal_type_id' => 'dod', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2025-01-19'], ['entity_id' => 2, 'product_id' => 452, 'city' => 18, 'sort_order' => 2, 'deal_type_id' => 'dom', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2026-01-19'], ['entity_id' => 3, 'product_id' => 448, 'city' => 18, 'sort_order' => 3, 'deal_type_id' => 'dod', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2027-01-19'], ['entity_id' => 4, 'product_id' => 441, 'city' => 18, 'sort_order' => 4, 'deal_type_id' => 'dod', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2024-01-19'], ['entity_id' => 5, 'product_id' => 440, 'city' => 18, 'sort_order' => 5, 'deal_type_id' => 'dod', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2027-01-19'], ['entity_id' => 6, 'product_id' => 439, 'city' => 18, 'sort_order' => 6, 'deal_type_id' => 'dom', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2028-01-19'], ['entity_id' => 7, 'product_id' => 433, 'city' => 18, 'sort_order' => 7, 'deal_type_id' => 'dom', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2013-01-19'], ['entity_id' => 8, 'product_id' => 427, 'city' => 18, 'sort_order' => 8, 'deal_type_id' => 'dod', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2022-01-19'], ['entity_id' => 9, 'product_id' => 425, 'city' => 18, 'sort_order' => 9, 'deal_type_id' => 'dom', 'deal_from_date' => '2013-12-18', 'deal_to_date' => '2025-02-19'] ]; usort($array, function ($entry1, $entry2) { return new \DateTime($entry1['deal_from_date']) <=> new \DateTime($entry2['deal_from_date']) ?: (new \DateTime($entry2['deal_to_date']) <=> new \DateTime($entry1['deal_to_date'])); }); print_r($array);