PHP · Theory

str_repeat()

Theory

233/352

str_repeat()

Ananya only reaches for str_repeat() when Ananya walking through str_repeat has to stay correct in a first job task.

str_repeat() order: meaning → one str_repeat step Ananya can write from memory → one limit. Dumping ten features helps nobody.

Without str_repeat(), a first job task gets messy and Ananya walking through str_repeat is hard to trust.

str_repeat() shows up in a first job task. Name Ananya walking through str_repeat, not “a real-world scenario”.

Don’t do this with str_repeat() — skipping the failure case for str_repeat. Interviewers spot it in ten seconds.

str_repeat() is not a lonely heading. Ananya ties it to Ananya walking through str_repeat.

One breath for str_repeat(), then Ananya walking through str_repeat, then skipping the failure case for str_repeat. Sit down.

Exam tip

Board: Ananya walking through str_repeat. Dry-run str_repeat(). Name the trap: skipping the failure case for str_repeat.

Example

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

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

Short notes

Defstr_repeat() — Ananya uses it for Ananya walking through str_repeat in a first job task.
Rulestr_repeat() → one str_repeat step Ananya can write from memory.
Rememberstr_repeat() + a .php page (a first job task).
Usestr_repeat() in a first job task (Ananya walking through str_repeat).
Trapstr_repeat() — skipping the failure case for str_repeat.
Exstr_repeat() → Ananya walking through str_repeat.

PHP · Theory

str_repeat()

← All stacks

Theory

233/352

str_repeat()

Ananya only reaches for str_repeat() when Ananya walking through str_repeat has to stay correct in a first job task.

str_repeat() order: meaning → one str_repeat step Ananya can write from memory → one limit. Dumping ten features helps nobody.

Without str_repeat(), a first job task gets messy and Ananya walking through str_repeat is hard to trust.

str_repeat() shows up in a first job task. Name Ananya walking through str_repeat, not “a real-world scenario”.

Don’t do this with str_repeat() — skipping the failure case for str_repeat. Interviewers spot it in ten seconds.

str_repeat() is not a lonely heading. Ananya ties it to Ananya walking through str_repeat.

One breath for str_repeat(), then Ananya walking through str_repeat, then skipping the failure case for str_repeat. Sit down.

Exam tip

Board: Ananya walking through str_repeat. Dry-run str_repeat(). Name the trap: skipping the failure case for str_repeat.

Example

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

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

Short notes

Defstr_repeat() — Ananya uses it for Ananya walking through str_repeat in a first job task.
Rulestr_repeat() → one str_repeat step Ananya can write from memory.
Rememberstr_repeat() + a .php page (a first job task).
Usestr_repeat() in a first job task (Ananya walking through str_repeat).
Trapstr_repeat() — skipping the failure case for str_repeat.
Exstr_repeat() → Ananya walking through str_repeat.

str_repeat()

Example

Short notes

Questions

str_repeat()

Example

Short notes

Questions