PHP gets all node paths of json data, PHP gets json nodes_PHP tutorial

php gets all node paths of json data, php gets json nodes

Before we explained the problem of using javascript to get json data node paths, today we go one step further and explain php Get all node paths of json data

<&#63;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&#63;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);

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