Data Types — PHP Technical Interview Questions & Answers

Data Types

Data Types

  • Data Types is a PHP topic. In plain words you use it for a short Data Types example in a college portal page. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest Data Types example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Data Types.
  • From the example next to this theory: Data Types: scores array, print avg, then high marks.
  • Trap: only saying “Data Types” with no example. Fix that before you talk about advanced PHP.
  • Viva: what is Data Types? Then show the smallest Data Types example you can type. Then name the trap.

Technical Interview Tip: What is Data Types? Show this: the smallest Data Types example you can type. Trap: only saying “Data Types” with no example.

Code Examples for Data Types

Data Types — working example

<?php
// Data Types
$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";
}

Data Types: scores array, print avg, then high marks. Say the output.

How to Explain Data Types to an Interviewer

What is Data Types?

Used for a short Data Types example a college portal page Not just the heading

Give one small example of Data Types.

the smallest Data Types example you can type Data Types: scores array, print avg, then high marks

What mistake do beginners make with Data Types?

only saying “Data Types” with no example Show the fix

Where do you use Data Types?

a college portal page a short Data Types example