JSON Example — PHP Technical Interview Questions & Answers

JSON Example

JSON Example

  • JSON Example is a PHP topic. In plain words you use it for api out for mobile in a JSON endpoint. Don’t start with a slogan — start with that picture.
  • Smallest example: json_encode($row, JSON_UNESCAPED_UNICODE). Type it, run it, and say what you see. If you can do that from memory, you know JSON Example.
  • From the example next to this theory: JSON Example: scores array, print avg, then high marks.
  • Trap: echo array without json_encode. Fix that before you talk about advanced PHP.
  • Viva: what is JSON Example? Then show json_encode($row, JSON_UNESCAPED_UNICODE). Then name the trap.

Technical Interview Tip: What is JSON Example? Show this: json_encode($row, JSON_UNESCAPED_UNICODE). Trap: echo array without json_encode.

Code Examples for JSON Example

JSON Example — working example

<?php
// JSON Example
$scores = [80, 90, 70];
$avg = array_sum($scores) / count($scores);
echo "avg=" . number_format($avg, 1) . "\n";
foreach ($scores as $s) {
  if ($s >= 80) echo "high: $s\n";
}

JSON Example: scores array, print avg, then high marks. Say the output.

How to Explain JSON Example to an Interviewer

What is JSON Example?

Used for api out for mobile a JSON endpoint Not just the heading

Give one small example of JSON Example.

json_encode($row, JSON_UNESCAPED_UNICODE) JSON Example: scores array, print avg, then high marks

What mistake do beginners make with JSON Example?

echo array without json_encode Show the fix

Where do you use JSON Example?

a JSON endpoint api out for mobile