PHP · Theory

Write File

Theory

48/352

Write File

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

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

From the example next to this theory — Write File: scores array, print avg, then high marks.

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

Viva — what is Write File? Then show the smallest Write File example you can type. Then name the trap.

Exam tip

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

Example

<?php
// Write File
$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";
}

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

Short notes

DefWrite File — a short Write File example in a college portal page.
Rulethe smallest Write File example you can type
Traponly saying “Write File” with no example
Usea college portal page

PHP · Theory

Write File

← All stacks

Theory

48/352

Write File

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

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

From the example next to this theory — Write File: scores array, print avg, then high marks.

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

Viva — what is Write File? Then show the smallest Write File example you can type. Then name the trap.

Exam tip

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

Example

<?php
// Write File
$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";
}

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

Short notes

DefWrite File — a short Write File example in a college portal page.
Rulethe smallest Write File example you can type
Traponly saying “Write File” with no example
Usea college portal page

Write File

Example

Short notes

Questions

Write File

Example

Short notes

Questions