php - Fatal error: Call to undefined function json_encode() -

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i using php 5.1.6 , wamp5 version 1.6.5. not support json getting error:

fatal error: call undefined function json_encode() in c:\wamp\www\myproject\application\controllers\auth\auth.php on line 142

how can solve please me out.

you have use library if check php.net page see function not available until v5.2.

json_encode

(php 5 >= 5.2.0, pecl json >= 1.2.0, php 7)

http://php.net/manual/en/function.json-encode.php


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