之前我們講解過使用javascript獲取json數據節點路徑的問題，今天我們更進一步，講解下php獲取json數據所有的節點路徑
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 <?php function iterTree($data) { $retData = array(); $data = json_decode($data, true); if (!is_array($data) && empty($data)) { echo 'error !' ."n"; } else { $queue = array(); foreach ($data as $field => $value) { $queue[] = $field; } $head = 0; $tail = count($queue); while ($head < $tail) { $field = $queue[$head++]; $path = explode("/", $field); $tmpData = &$data; foreach ($path as $key => $ph) { $tmpData = &$tmpData[$ph]; } if (is_array($tmpData) && !empty($tmpData)) { $newField = $field; foreach ($tmpData as $curField => $curValue) { $newField = $field . '/' . $curField; $queue[$tail++] = $newField; } } else { $retData[] = $field; } } } return $retData; } //測試數據 $data = file_get_contents("http://restapi.ele.me/v1/restaurants?extras%5B%5D=food_activity&extras%5B%5D=restaura nt_activity&extras%5B%5D=certification&fields%5B%5D=id&fields%5B%5D=name&fiel ds%5B%5D=phone&fields%5B%5D=promotion_info&fields%5B%5D=name_for_url&fields%5B%5D=flavors&fields% 5B%5D=is_time_ensure&fields%5B%5D=is_premium&fields%5B%5D=image_path&fields%5B%5D=rating&fie lds%5B%5D=is_free_delivery&fields%5B%5D=minimum_order_amount&fields%5B%5D=order_lead_time&fields%5 B%5D=is_support_invoice&fields%5B%5D=is_new&fields%5B%5D=is_third_party_delivery&fields%5B% 5D=is_in_book_time&fields%5B%5D=rating_count&fields%5B%5D=address&fields%5B%5D=month_sales&fields% 5B%5D=delivery_fee&fields%5B%5D=minimum_free_delivery_amount&fields%5B%5D=minimum_order_des cription&fields%5B%5D=minimum_invoice_amount&fields%5B%5D=opening_hours&fields%5B%5D=is_online_pay ment新聞熱點
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