strlen() — PHP Technical Interview Questions & Answers

strlen()

strlen()

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

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

Code Examples for strlen()

strlen() — working example

<?php
$s = "prep,pilot,php";
$parts = explode(",", $s);
echo strtoupper($parts[0]) . " count=" . count($parts);

strlen() — explode splits strings; count works on arrays.

How to Explain strlen() to an Interviewer

What is strlen()?

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

Give one small example of strlen().

the smallest strlen example you can type strlen() — explode splits strings; count works on arrays

What mistake do beginners make with strlen()?

only saying “strlen” with no example Show the fix

Where do you use strlen()?

a college portal page a short strlen example