PHP · Theory

floor()

Theory

307/352

floor()

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

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

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

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

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

Exam tip

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

Example

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

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

Short notes

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

PHP · Theory

floor()

← All stacks

Theory

307/352

floor()

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

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

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

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

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

Exam tip

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

Example

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

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

Short notes

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

floor()

Example

Short notes

Questions

floor()

Example

Short notes

Questions