PHP · Theory

Final Keyword

Theory

66/352

Final Keyword

Isha only reaches for Final Keyword when Final Keyword on Isha's board has to stay correct in lab hour.

Final Keyword on the board: one Final Keyword step Isha can write from memory. Then say what Final Keyword on Isha's board looks like after.

Final Keyword exists so Isha can keep Final Keyword on Isha's board correct in lab hour.

Isha ships Final Keyword in lab hour. That is the use case worth saying.

Final Keyword trap — skipping the failure case for Final Keyword. Isha loses marks for that every viva.

Place Final Keyword next to nearby PHP work — one Final Keyword step Isha can write from memory is the link.

Close Final Keyword with: “If I skip it, Final Keyword on Isha's board goes wrong like this: skipping the failure case for Final Keyword.”

Exam tip

Board: Final Keyword on Isha's board. Dry-run Final Keyword. Name the trap: skipping the failure case for Final Keyword.

Example

<?php
// Final Keyword
$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";
}

Final Keyword: scores array, print avg, then high marks. Say the output.

Short notes

DefFinal Keyword — Isha uses it for Final Keyword on Isha's board in lab hour.
RuleFinal Keyword → one Final Keyword step Isha can write from memory.
RememberFinal Keyword + the PHP runtime (lab hour).
UseFinal Keyword in lab hour (Final Keyword on Isha's board).
TrapFinal Keyword — skipping the failure case for Final Keyword.
ExFinal Keyword → Final Keyword on Isha's board.

PHP · Theory

Final Keyword

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Theory

66/352

Final Keyword

Isha only reaches for Final Keyword when Final Keyword on Isha's board has to stay correct in lab hour.

Final Keyword on the board: one Final Keyword step Isha can write from memory. Then say what Final Keyword on Isha's board looks like after.

Final Keyword exists so Isha can keep Final Keyword on Isha's board correct in lab hour.

Isha ships Final Keyword in lab hour. That is the use case worth saying.

Final Keyword trap — skipping the failure case for Final Keyword. Isha loses marks for that every viva.

Place Final Keyword next to nearby PHP work — one Final Keyword step Isha can write from memory is the link.

Close Final Keyword with: “If I skip it, Final Keyword on Isha's board goes wrong like this: skipping the failure case for Final Keyword.”

Exam tip

Board: Final Keyword on Isha's board. Dry-run Final Keyword. Name the trap: skipping the failure case for Final Keyword.

Example

<?php
// Final Keyword
$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";
}

Final Keyword: scores array, print avg, then high marks. Say the output.

Short notes

DefFinal Keyword — Isha uses it for Final Keyword on Isha's board in lab hour.
RuleFinal Keyword → one Final Keyword step Isha can write from memory.
RememberFinal Keyword + the PHP runtime (lab hour).
UseFinal Keyword in lab hour (Final Keyword on Isha's board).
TrapFinal Keyword — skipping the failure case for Final Keyword.
ExFinal Keyword → Final Keyword on Isha's board.

Final Keyword

Example

Short notes

Questions

Final Keyword

Example

Short notes

Questions