How does PHP convert an array into JSON data

In PHP, you can use the json_encode() function to convert an array into JSON format data with the syntax “json_encode(array variables,$options)”. The json_encode() function encodes PHP variables in JSON format and returns JSON format data if the conversion is successful or FALSE if the conversion fails.

<!--?</span--> php
header('content-type:text/html; charset=utf-8');
$arr = array ('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5);
Echo "array to JSON format: 
echo $json;
? >

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