PHP · Theory

strcasecmp()

Theory

239/352

strcasecmp()

Isha only reaches for strcasecmp() when Isha walking through strcasecmp has to stay correct in lab hour.

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

Without strcasecmp(), lab hour gets messy and Isha walking through strcasecmp is hard to trust.

Isha ships strcasecmp() in lab hour. That is the use case worth saying.

If Isha walking through strcasecmp breaks under strcasecmp(), check only reciting the name of strcasecmp first.

After strcasecmp(), Isha should still remember only reciting the name of strcasecmp.

Close strcasecmp() with: “If I skip it, Isha walking through strcasecmp goes wrong like this: only reciting the name of strcasecmp.”

Exam tip

For strcasecmp(): definition + lab hour + one failure.

Example

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

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

Short notes

Defstrcasecmp() — Isha uses it for Isha walking through strcasecmp in lab hour.
Rulestrcasecmp() → one strcasecmp step Isha can write from memory.
Rememberstrcasecmp() + Apache/Nginx (lab hour).
Usestrcasecmp() in lab hour (Isha walking through strcasecmp).
Trapstrcasecmp() — only reciting the name of strcasecmp.
Exstrcasecmp() → Isha walking through strcasecmp.

PHP · Theory

strcasecmp()

← All stacks

Theory

239/352

strcasecmp()

Isha only reaches for strcasecmp() when Isha walking through strcasecmp has to stay correct in lab hour.

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

Without strcasecmp(), lab hour gets messy and Isha walking through strcasecmp is hard to trust.

Isha ships strcasecmp() in lab hour. That is the use case worth saying.

If Isha walking through strcasecmp breaks under strcasecmp(), check only reciting the name of strcasecmp first.

After strcasecmp(), Isha should still remember only reciting the name of strcasecmp.

Close strcasecmp() with: “If I skip it, Isha walking through strcasecmp goes wrong like this: only reciting the name of strcasecmp.”

Exam tip

For strcasecmp(): definition + lab hour + one failure.

Example

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

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

Short notes

Defstrcasecmp() — Isha uses it for Isha walking through strcasecmp in lab hour.
Rulestrcasecmp() → one strcasecmp step Isha can write from memory.
Rememberstrcasecmp() + Apache/Nginx (lab hour).
Usestrcasecmp() in lab hour (Isha walking through strcasecmp).
Trapstrcasecmp() — only reciting the name of strcasecmp.
Exstrcasecmp() → Isha walking through strcasecmp.

strcasecmp()

Example

Short notes

Questions

strcasecmp()

Example

Short notes

Questions