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PHP · Theory

Read File

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Theory

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Read File

Read File is simple if you keep it on paper. Ananya uses it for a Read File dry-run in a small live site.

Read File on the board: one Read File step Ananya can write from memory. Then say what a Read File dry-run looks like after.

Read File exists so Ananya can keep a Read File dry-run correct in a small live site.

Read File shows up in a small live site. Name a Read File dry-run, not “a real-world scenario”.

Read File trap — only reciting the name of Read File. Ananya loses marks for that every viva.

Read File is not a lonely heading. Ananya ties it to a Read File dry-run.

One breath for Read File, then a Read File dry-run, then only reciting the name of Read File. Sit down.

Exam tip

Say Read File in one breath, then one Read File step Ananya can write from memory, then only reciting the name of Read File.

Example

<?php
// Read File
$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";
}

Read File: scores array, print avg, then high marks. Say the output.

Short notes

  • DefRead File — Ananya uses it for a Read File dry-run in a small live site.
  • RuleRead File → one Read File step Ananya can write from memory.
  • RememberRead File + the PHP runtime (a small live site).
  • UseRead File in a small live site (a Read File dry-run).
  • TrapRead File — only reciting the name of Read File.
  • ExRead File → a Read File dry-run.

Questions

1

What is Read File? Teach it with a Read File dry-run.

2

When would Ananya actually reach for Read File?

3

What trap does Ananya hit with Read File?

4

Dry-run one Read File step Ananya can write from memory and say the result.

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