Filters — PHP Technical Interview Questions & Answers

Filters

Filters

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

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

Code Examples for Filters

Filters — working example

<?php
// Filters
$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";
}

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

How to Explain Filters to an Interviewer

What is Filters?

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

Give one small example of Filters.

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

What mistake do beginners make with Filters?

only saying “Filters” with no example Show the fix

Where do you use Filters?

a college portal page a short Filters example