Php 删除Json格式上的字符串标题

我做json编码，pfb我的代码

$encoded = json_encode($arr);
var_dump($encoded);

结果如下所示

string(16007) "[{"NO":0,"GPSSTATE":"Valid Location","GPS":1,"TIME":1464666561,"USERNAME":"mostniaga","TIME_FORMAT":"31-May-2016 10:49:21","LICENSE":"B 2291 SFS","TERMINAL":"358899052470419","OWNERTELP":" ","OWNERNAME":" ","TYPE":"IDTRACK","LONGITUDE":106.8083,"LATITUDE":-6.267059,"ADDRESS":"Pangeran Antasari-JAKARTA SELATAN (KOTA),DKI JAKARTA","SPEED":0,"DIRECTION":116,"MILEAGE":14055655,"ALARMSTATE":0,"CARSTATE":0,"ICONID":"0","GSM":"082212133958","STATUS":"Stop And Parking","STATUS_ENGINE":"ENGINE OFF","EXP_DATE":"Sep 7 2016 12:00:00:000AM","STATUS_EXP":"active","VEHICLE_STATE":" ","VEHICLE_TYPE":"Minibus"},
{"NO":1,"GPSSTATE":"Valid Location","GPS":1,"TIME":1464666653,"USERNAME":"mostniaga","TIME_FORMAT":"31-May-2016 10:50:53","LICENSE":"F 1540 KN","TERMINAL":"358899052465716","OWNERTELP":" ","OWNERNAME":" ","TYPE":"IDTRACK","LONGITUDE":106.8626,"LATITUDE":-6.480568,"ADDRESS":"Jagorawi-BOGOR,JAWA BARAT","SPEED":0,"DIRECTION":357,"MILEAGE":16698669,"ALARMSTATE":0,"CARSTATE":0,"ICONID":"0","GSM":"082212133959","STATUS":"Stop And Parking","STATUS_ENGINE":"ENGINE OFF","EXP_DATE":"Sep 7 2016 12:00:00:000AM","STATUS_EXP":"active","VEHICLE_STATE":" ","VEHICLE_TYPE":"Minibus"}]"

我想删除下面的这个字符串标题，怎么做

string(16007) "

---

如果您只是想输出json字符串，您可能只需要使用

echo$encoded

，例如，如果您有一个ajax调用，您可以将答案回显出来

---

然而，有一个经常被忽略的PHP命令，它将删除var_dump中的所有杂乱内容，并使其可复制，非常适合数组等，这就是

var_导出（$encoded）

如果您只想输出json字符串，您可能只需要使用

echo$encoded

，例如，如果您有一个ajax调用，你可以呼应答案

---

然而，有一个PHP命令经常被忽略，它将删除var_dump中的所有杂乱内容，并使其可复制，非常适合数组等，这就是

var_导出（$encoded）

首先

json_encode

没有TRUE作为参数。您可以使用正则表达式或json_decode unset和json_encode。然后不要使用

var_dump

，只需使用

echo

@FrayneKonok我已经删除了true，但字符串仍然存在，您能给我一个用于json_decode的url或示例吗unset@RodrigoDuterte感谢您的

json\u encode

必须返回字符串，要查看字符串，只需

echo

it，要查看类型，请使用

var\u dump

。首先

json\u encode

没有TRUE作为参数。您可以使用正则表达式或json_decode unset和json_encode。然后不要使用

var_dump

，只需使用

echo

@FrayneKonok我已经删除了true，但字符串仍然存在，您能给我一个用于json_decode的url或示例吗unset@RodrigoDuterte感谢您的

json\u encode

必须返回字符串，要查看字符串，只需

echo

it，要查看类型，请使用

var\u dump

。