获取json数据所有的节点路径代码,PHP代码库,德仔网

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【PHP】获取json数据所有的节点路径

作者:彧福 / 发布于2015/5/11/ 657


	<?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;
	}
	
	//测试数据
	$data = file_get_contents("http://restapi.ele.me/v1/restaurants?extras%5B%5D=food_activity&extras%5B%5D=restaurant_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%5B%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_payment&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);

试试其它关键字

　json　

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