PHP gets all the node paths of JSON data _php tutorial

PHP gets all the node paths of the JSON data

Before we explained the problem of using JavaScript to get the JSON data node path, today we went further and explained that PHP gets all the node paths of the JSON data.

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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; } Test data $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&fields%5b%5d=status&fields%5b%5d=supports&fields%5b%5d=in_delivery_area&geohash=wx4g07 J0w1v7&is_premium=0&limit=1000&offset=24&type=geohash "); $ret = Itertree ($data); Print_r ($ret);

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