PHP脚本花费太长时间来回显数据

My PHP script is taking too long to echo the data in a file. It seems that I have gone wrong with some loops and its taking too long to process.Could anyone please look at my code and let me know where i went wrong? My task is to loop through the JSON data array and echo the data in XML tags. My json array looks like following [["GENERIC SALES PRICE", ""],["REGION", "SALE PRICE"],["AMERICA", "260,000"],["ASIA","340,000"],..etc]My PHP script is taking too long to echo the da