PHP · Theory

Array sort()

Theory

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Don’t start Array sort() (function) with jargon. Start with Array sort function on Arun's board. That is the whole point.

Do Array sort() (function) once by hand. one Array sort function step Arun can write from memory. Change one input. Say the new result out loud.

Without Array sort() (function), a campus project gets messy and Array sort function on Arun's board is hard to trust.

Use Array sort() (function) when Array sort function on Arun's board must stay clear. If a simpler PHP step works, use that instead.

If Array sort function on Arun's board breaks under Array sort() (function), check skipping the failure case for Array sort function first.

Array sort() (function) is not a lonely heading. Arun ties it to Array sort function on Arun's board.

One breath for Array sort() (function), then Array sort function on Arun's board, then skipping the failure case for Array sort function. Sit down.

Exam tip

For Array sort() (function): definition + a campus project + one failure.

<?php
$langs = ["PHP", "JS", "SQL"];
$langs[] = "Python";
foreach ($langs as $i => $lang) {
  echo "$i: $lang\n";
}

Array sort() — pHP arrays are ordered maps. foreach walks key and value.

DefArray sort() (function) — Arun uses it for Array sort function on Arun's board in a campus project.
RuleArray sort() (function) → one Array sort function step Arun can write from memory.
RememberArray sort() (function) + Apache/Nginx (a campus project).
UseArray sort() (function) in a campus project (Array sort function on Arun's board).
TrapArray sort() (function) — skipping the failure case for Array sort function.
ExArray sort() (function) → Array sort function on Arun's board.