nl2br()
Sara only reaches for nl2br() when nl2br on Sara's board has to stay correct in a first job task.
Keep nl2br() small. Sara should finish nl2br on Sara's board in a few lines, not a 40-line dump.
Without nl2br(), a first job task gets messy and nl2br on Sara's board is hard to trust.
nl2br() shows up in a first job task. Name nl2br on Sara's board, not “a real-world scenario”.
nl2br() miss — only reciting the name of nl2br. Fix it before you talk about advanced PHP.
After nl2br(), Sara should still remember only reciting the name of nl2br.
One breath for nl2br(), then nl2br on Sara's board, then only reciting the name of nl2br. Sit down.
For nl2br(): definition + a first job task + one failure.