PHP · Theory

FTP Introduction

Theory

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FTP Introduction

FTP Introduction is a PHP topic. In plain words you use it for a hello.php page in a college portal. Don’t start with a slogan — start with that picture.

Smallest example: <?php echo 'Hi'; ?>. Type it, run it, and say what you see. If you can do that from memory, you know FTP Introduction.

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

Trap — calling PHP a database. Fix that before you talk about advanced PHP.

Viva — what is FTP Introduction? Then show <?php echo 'Hi'; ?>. Then name the trap.

Diagram

  Browser
      │ POST / GET
      ▼
   .php file
      │
      ▼
   HTML back

Exam tip

What is FTP Introduction? Show this: <?php echo 'Hi'; ?>. Trap: calling PHP a database.

Example

<?php
// FTP Introduction
$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";
}

FTP Introduction: scores array, print avg, then high marks. Say the output.

Short notes

DefFTP Introduction — a hello.php page in a college portal.
Rule<?php echo 'Hi'; ?>
Trapcalling PHP a database
Usea college portal

PHP · Theory

FTP Introduction

← All stacks

Theory

292/352

FTP Introduction

FTP Introduction is a PHP topic. In plain words you use it for a hello.php page in a college portal. Don’t start with a slogan — start with that picture.

Smallest example: <?php echo 'Hi'; ?>. Type it, run it, and say what you see. If you can do that from memory, you know FTP Introduction.

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

Trap — calling PHP a database. Fix that before you talk about advanced PHP.

Viva — what is FTP Introduction? Then show <?php echo 'Hi'; ?>. Then name the trap.

Diagram

  Browser
      │ POST / GET
      ▼
   .php file
      │
      ▼
   HTML back

Exam tip

What is FTP Introduction? Show this: <?php echo 'Hi'; ?>. Trap: calling PHP a database.

Example

<?php
// FTP Introduction
$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";
}

FTP Introduction: scores array, print avg, then high marks. Say the output.

Short notes

DefFTP Introduction — a hello.php page in a college portal.
Rule<?php echo 'Hi'; ?>
Trapcalling PHP a database
Usea college portal

FTP Introduction

Example

Short notes

Questions

FTP Introduction

Example

Short notes

Questions