PHP · Theory

Palindrome Number Program

Theory

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Palindrome Number Program

Palindrome Number Program sits in a small live site. Neha’s job is a Palindrome Number Program dry-run. Write that first.

Keep Palindrome Number Program small. Neha should finish a Palindrome Number Program dry-run in a few lines, not a 40-line dump.

Palindrome Number Program exists so Neha can keep a Palindrome Number Program dry-run correct in a small live site.

Neha ships Palindrome Number Program in a small live site. That is the use case worth saying.

Palindrome Number Program miss: only reciting the name of Palindrome Number Program. Fix it before you talk about advanced PHP.

After Palindrome Number Program, Neha should still remember only reciting the name of Palindrome Number Program.

Viva for Palindrome Number Program: what it is → one Palindrome Number Program step Neha can write from memory → the mistake (only reciting the name of Palindrome Number Program).

Exam tip

Say Palindrome Number Program in one breath, then one Palindrome Number Program step Neha can write from memory, then only reciting the name of Palindrome Number Program.

Example

<?php
// Palindrome Number Program
$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";
}

Palindrome Number Program: scores array, print avg, then high marks. Say the output.

Short notes

DefPalindrome Number Program — Neha uses it for a Palindrome Number Program dry-run in a small live site.
RulePalindrome Number Program → one Palindrome Number Program step Neha can write from memory.
RememberPalindrome Number Program + a .php page (a small live site).
UsePalindrome Number Program in a small live site (a Palindrome Number Program dry-run).
TrapPalindrome Number Program — only reciting the name of Palindrome Number Program.
ExPalindrome Number Program → a Palindrome Number Program dry-run.

<?php // Palindrome Number Program $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"; }

Palindrome Number Program

Example

Short notes

Questions

Palindrome Number Program

Example

Short notes

Questions