PHP · Theory

strpos()

Theory

255/352

strpos()

strpos() is a PHP topic. In plain words you use it for a short strpos example in a college portal page. Don’t start with a slogan — start with that picture.

Smallest example: the smallest strpos example you can type. Type it, run it, and say what you see. If you can do that from memory, you know strpos().

From the example next to this theory — strpos(): scores array, print avg, then high marks.

Trap — only saying “strpos” with no example. Fix that before you talk about advanced PHP.

Viva — what is strpos()? Then show the smallest strpos example you can type. Then name the trap.

Exam tip

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

Example

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

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

Short notes

Defstrpos() — a short strpos example in a college portal page.
Rulethe smallest strpos example you can type
Traponly saying “strpos” with no example
Usea college portal page

PHP · Theory

strpos()

← All stacks

Theory

255/352

strpos()

strpos() is a PHP topic. In plain words you use it for a short strpos example in a college portal page. Don’t start with a slogan — start with that picture.

Smallest example: the smallest strpos example you can type. Type it, run it, and say what you see. If you can do that from memory, you know strpos().

From the example next to this theory — strpos(): scores array, print avg, then high marks.

Trap — only saying “strpos” with no example. Fix that before you talk about advanced PHP.

Viva — what is strpos()? Then show the smallest strpos example you can type. Then name the trap.

Exam tip

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

Example

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

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

Short notes

Defstrpos() — a short strpos example in a college portal page.
Rulethe smallest strpos example you can type
Traponly saying “strpos” with no example
Usea college portal page

strpos()

Example

Short notes

Questions

strpos()

Example

Short notes

Questions