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<?php
// Chapter-12: Exercises

// Question-1

// 1. This program has a syntax error in it:

$name = 'Umberto';
function say_hello() {
print 'Hello, ';

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<?php
// Chapter-10: Exercises

// Question-1 

// 1. Make a web page that uses a cookie to keep track of how many times a user has viewed the page. 
// The first time a particular user looks at the page, it should print something like “Number of views: 1.” 
// The second time the user looks at the page, it should print “Number of views: 2,” and so on.

// Answer-1

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<?php
// Chapter-8: Exercises

// The following exercises use a database table called dishes with the following structure:
// -- CREATE TABLE dishes (
// -- dish_id INT,
// -- dish_name VARCHAR(255),
// -- price DECIMAL(4,2),
// -- is_spicy INT
// -- )

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<?php
// Chapter-7: Exercises

// Question-1

// 1. What does $_POST look like when the following form is submitted with the third option in the Braised Noodles menu selected, 
// the first and last options in the Sweet menu selected, and 4 entered into the text box? ?>
<form method="POST" action="order.php">
    Braised Noodles with: <select name="noodle">
        <option>crab meat</option>

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// The PricedEntree class referencing that namespace:
class PricedEntree extends Entree {
public function __construct($name, $ingredients) {
parent::__construct($name, $ingredients);
foreach ($this->ingredients as $ingredient) {
if (! $ingredient instanceof \Meals\Ingredient) {
throw new Exception('Elements of $ingredients must be Ingredient objects');
}
}

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<?php
// Chapter-5

// Question-1 

// 1. Write a function to return an HTML <img /> tag. 
// The function should accept a mandatory argument of the image URL and optional arguments for alt text, height, and width.

// Answer-1

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<?php
// Chapter-4: Exercises

// Question-1

// 1. According to the US Census Bureau, the 10 largest American cities (by population) in 2010 were as follows:
// • New York, NY (8,175,133 people)
// • Los Angeles, CA (3,792,621)
// • Chicago, IL (2,695,598)
// • Houston, TX (2,100,263)

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<?php
// Chapter - 2: Exercises

// Question-1

// 1. Find the errors in this PHP program:

// 1. The opening PHP tag should be just <?php with no space between the <? and php.
// 2. Because the string I'm fine contains a ', 
// it should be surrounded by double quotes ("I'm fine") or the ' should be escaped ('I\'m fine').

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<?php
// Chapter - 3: Exercises

// Question-1

// 1. Without using a PHP program to evaluate them, determine whether each of
// these expressions is true or false:
// a. 100.00 - 100
// b. "zero"
// c. "false"

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// Step-1: 
// create a script server file at the project root e.g. server.js

const path = require('path');
const express = require('express');
const app = express();
const port = process.env.PORT || 3000;
const publicPath = path.join(__dirname, 'build');

// serve the build folder