strrev() — PHP Technical Interview Questions & Answers

strrev()

strrev()

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

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

Code Examples for strrev()

strrev() — working example

<?php
// strrev()
$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";
}

strrev(): scores array, print avg, then high marks. Say the output.

How to Explain strrev() to an Interviewer

What is strrev()?

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

Give one small example of strrev().

the smallest strrev example you can type strrev(): scores array, print avg, then high marks

What mistake do beginners make with strrev()?

only saying “strrev” with no example Show the fix

Where do you use strrev()?

a college portal page a short strrev example