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PHP · Theory

nl_langinfo()

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Theory

213/352

nl_langinfo()

nl_langinfo() is a PHP topic. In plain words you use it for a short nl_langinfo example in a college portal page. Don’t start with a slogan — start with that picture.

Smallest example: the smallest nl_langinfo example you can type. Type it, run it, and say what you see. If you can do that from memory, you know nl_langinfo().

From the example next to this theory — nl_langinfo(): scores array, print avg, then high marks.

Trap — only saying “nl_langinfo” with no example. Fix that before you talk about advanced PHP.

Viva — what is nl_langinfo()? Then show the smallest nl_langinfo example you can type. Then name the trap.

Exam tip

What is nl_langinfo()? Show this: the smallest nl_langinfo example you can type. Trap: only saying “nl_langinfo” with no example.

Example

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

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

Short notes

  • Defnl_langinfo() — a short nl_langinfo example in a college portal page.
  • Rulethe smallest nl_langinfo example you can type
  • Traponly saying “nl_langinfo” with no example
  • Usea college portal page

Questions

1

What is nl_langinfo()?

2

Give one small example of nl_langinfo().

3

What mistake do beginners make with nl_langinfo()?

4

Where do you use nl_langinfo()?

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