How to convert two-dimensional array to json data in php

php method to convert a two-dimensional array into json data: You can use the php built-in function json_encode() to achieve this. The json_encode() function is used to json encode variables. If the execution is successful, it returns json data, otherwise it returns false.

json_encode() is used to JSON encode variables. This function returns JSON data if executed successfully, otherwise it returns FALSE.

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Syntax:

string json_encode ( $value [, $options = 0 ] )

Parameters:

value: The value to be encoded . This function is only valid for UTF-8 encoded data.

options: Binary mask

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Code example:

<?php
   $arr = array(&#39;a&#39; => 1, &#39;b&#39; => 2, &#39;c&#39; => 3, &#39;d&#39; => 4, &#39;e&#39; => 5);
   echo json_encode($arr);
?>

Execution result :

{"a":1,"b":2,"c":3,"d":4,"e":5}

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