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JSON Interview Questions and Answers

Ques. Explain JSON with php.
Ans. Json is too much easy with php There is no installation needed to use these functions; they are part of the PHP core. nothing more need to know just only use { ,[ and create json format string and use three php function json_encode() to get JSON representation of a value, json_decode() for Decodes a JSON string, Šjson_last_error() to get the last error occurred in process.

\"firstName\": \"Rohit\",
\"lastName\": \"Singh\",
\"age\": 26,
\"address\": {
\"streetAddress\": \"Mira Road Thane \",
\"city\": \"Mumbai\",
\"state\": \"maharshtra\",
\"postalCode\": \"401107\"
\"phoneNumber\": [
{ \"type\": \"home\", \"number\": \"022 333-1234\" },
{ \"type\": \"fax\", \"number\": \"022 444-4567\" }

$decodeString = json_decode($string);
echo \'First Name - \'.$decode->{\"firstName\"};
echo \'Last Name - \'.$decode->{\"lastName\"};
echo \'Address - \'.$decode->{\"address\"}->{\"streetAddress\"};

Out put : Print below

First Name - Rohit
Last Name - Singh
Address - Mira Road Thane
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