PHP · Theory

deg2rad()

← All stacks

Theory

316/352

deg2rad()

deg2rad() is simple if you keep it on paper. Sara uses it for deg2rad on Sara's board in a small live site.

Do deg2rad() once by hand. one deg2rad step Sara can write from memory. Change one input. Say the new result out loud.

deg2rad() exists so Sara can keep deg2rad on Sara's board correct in a small live site.

Sara ships deg2rad() in a small live site. That is the use case worth saying.

deg2rad() trap — copy-pasting deg2rad without a dry-run. Sara loses marks for that every viva.

Place deg2rad() next to nearby PHP work — one deg2rad step Sara can write from memory is the link.

Viva for deg2rad(): what it is → one deg2rad step Sara can write from memory → the mistake (copy-pasting deg2rad without a dry-run).

Exam tip

Board: deg2rad on Sara's board. Dry-run deg2rad(). Name the trap: copy-pasting deg2rad without a dry-run.

Example

<?php
// deg2rad()
$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";
}

deg2rad(): scores array, print avg, then high marks. Say the output.

Short notes

Defdeg2rad() — Sara uses it for deg2rad on Sara's board in a small live site.
Ruledeg2rad() → one deg2rad step Sara can write from memory.
Rememberdeg2rad() + a .php page (a small live site).
Usedeg2rad() in a small live site (deg2rad on Sara's board).
Trapdeg2rad() — copy-pasting deg2rad without a dry-run.
Exdeg2rad() → deg2rad on Sara's board.

PHP · Theory

deg2rad()

← All stacks

Theory

316/352

deg2rad()

deg2rad() is simple if you keep it on paper. Sara uses it for deg2rad on Sara's board in a small live site.

Do deg2rad() once by hand. one deg2rad step Sara can write from memory. Change one input. Say the new result out loud.

deg2rad() exists so Sara can keep deg2rad on Sara's board correct in a small live site.

Sara ships deg2rad() in a small live site. That is the use case worth saying.

deg2rad() trap — copy-pasting deg2rad without a dry-run. Sara loses marks for that every viva.

Place deg2rad() next to nearby PHP work — one deg2rad step Sara can write from memory is the link.

Viva for deg2rad(): what it is → one deg2rad step Sara can write from memory → the mistake (copy-pasting deg2rad without a dry-run).

Exam tip

Board: deg2rad on Sara's board. Dry-run deg2rad(). Name the trap: copy-pasting deg2rad without a dry-run.

Example

<?php
// deg2rad()
$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";
}

deg2rad(): scores array, print avg, then high marks. Say the output.

Short notes

Defdeg2rad() — Sara uses it for deg2rad on Sara's board in a small live site.
Ruledeg2rad() → one deg2rad step Sara can write from memory.
Rememberdeg2rad() + a .php page (a small live site).
Usedeg2rad() in a small live site (deg2rad on Sara's board).
Trapdeg2rad() — copy-pasting deg2rad without a dry-run.
Exdeg2rad() → deg2rad on Sara's board.

deg2rad()

Example

Short notes

Questions

deg2rad()

Example

Short notes

Questions