p.131
HTML表單FORM
<h1> BMI Calculator </h1>
<form action="" method="POST">
別名Nickname：
	<input type="text" name="nickname"> <br>
身高Height：
	<input type="number" name="height"> <br>
體重Weight：
	<input type="number" name="weight"> <br>
地區Region：
<select name="region">
	<option value="HK"> 香港 Hong Kong </option>
	<option value="MC"> 澳門 Macau </option>
</select> <br>
<input type="submit" name="submit">
</form>

輸入類型 Input types
Text 文字方塊
Password 密碼
Date
Dropdown 下拉式選單
Checkboxes 複選框
Submit 提交按鈕
Radio 單選按鈕

p.133
<form action="process.php" method="POST">
Your Nickname: <input type="text" name="nickname">
</form>

p.134
<form action="process.php" method="POST">
Full English name: <input type="text" name="eng_name" required>
<br>
<input type="submit" name="submit">
</form>

p.135
<form action="process.php" method="POST">
Password:
<input type="password" name="pw">
<input type="text" name="eng_name" required>
<input type="date" min="2022-12-20" max="2022-12-27" name="bday">
Territory:
<select name="region">
<option value="NT"> New Territories </option>
<option value="KL"> Kowloon </option>
<option value="HKI"> Hong Kong Island </option>
Interest： <br>
<input type="checkbox" name="interest[]"  value="code"> Coding <br>
<input type="checkbox" name="interest[]"  value="cook"> Cooking <br>
<input type="submit" name="submit">
</form>

p.136
dateInput.html
<form action="process.php" method="POST">
Your birthday: <input type="date" name="bday">
</form>

p.137
dropdownSelection.html
<form action="process.php" method="POST">
Territory:
<select name="region">
<option value="NT">New Territories</option>
<option value="KL">Kowloon</option>
<option value="HKI">Hong Kong Island</option>
</select>
</form>

p.138
checkbox.html
<form action="process.php" method="POST">
Interest: <br>
<input type="checkbox" name="interest[]" value="code"> Coding <br>
<input type="checkbox" name="interest[]" value="cook"> Cooking <br>
</form>

p.139
submitButton.html
<form action="process.php" method="POST">
Your Nickname: <input type="text" name="nickname"><br>
<input type="submit" name="submit">
</form>

Technology Expo Volunteers 科技博覽會
Please fill in the contact form below.
請填寫以下聯絡表單。 (* are required fields * 為必填欄位)

姓名*：Name *:
班別*：Class*:
性別 ：Gender:  男 Male ▼

溝通語言：Spoken Language:(選取所有適用選項)
		□ Cantonese □ English □ Japanese □ Korean
		□ 粵語      □ 英語    □ 日語     □ 韓語
電郵地址：Email Address*:
Submit   提交

p.140
<p>(* are required fields 為必填欄位)</p>
<form method="POST" action="submitVolunteer.php">
Name: <input type= "text" name= "name" required> <br>
Class: <input type="text" name="class" required> <br>
Gender: <select name="gender">
<option value="m">Male</option>
<option value="f">Female</option>
</select> <br>

Spoken Language: <br>
<input type="checkbox" name="lang[]" value="can"> Cantonese
<input type="checkbox" name="lang[]" value="eng"> English
<input type="checkbox" name="lang[]" value="jap"> Japanese
<input type="checkbox" name="lang[]" value="kor"> Korean <br>
Email: <input type="text" name="email" required> <br>
<input type="submit" name="submit">
</form>

p.141-cp3.1
Know yourself better! 加深對自己的了解
填寫以下表單以找出自己的所屬生肖和星座：
Fill in the form below to know your Constellations.
姓名 Name: Yumi
出生地點 Birthplace: 
性別 Gender: Female ▼

電郵地址：Email Address: yumi0808@hotmail.com
出生曰期：Birthday: 8/8/2008 ▼
Find out now! 查看結果

<p>Fill in the form below to know your symbolic and constellation.</p>
<p>填寫以下表單以找出自己的所屬生肖和星座：</p>
<form method="POST" action="processSnC.php">
姓名：Name:        (i)<input type="text" name="name" required> <br>
地點：Birthplace: (ii)<input type="password" name="birthplace'*> <br>
性別：Gender:    (iii)<select name="gender">
						<option value="f">Female</option>
						<option value="m">Male</option>
					</select>
<br>
電郵地址：Email:   (iv)<input type-"text" name="email" required> <br>
出生曰期：Birthday: (v)<input type="date" name="bday"  required> <br>
         (vi)<input type="submit" name="submit" value="Find Out Now!">
</form>

p.141 Answer
<p>Fill in the form below to know your symbolic and constellation.</p>
<form method="POST" action="processSnC.php">
Name：<input type="text" name="name" required> <br>
Birthplace：<input type="password" name="birthplace"> <br>
Gender：
<select name="gender">
<option value="f">Female</option>
<option value="m">Male</option>
</select>
<br>
Email：<input type="text" name="email" required> <br>
Birthday：<input type="date" name="bday" required> <br>
<input type="submit" name="submit" value="Find Out Now!">
</form>

p.142 BMI
<form action="" method="POST">
<p>別名    ：<input type="text"   name="name">
<p>身高(cm)：<input type="number" name="height" value="170">
<p>體重(kg)：<input type="number" name="weight" value="70">
<p>地區：
<select name="region">
<option value="HK">香港 HK</option>
<option value="MC">澳門 Macau</option>
</select>
<p><input type="submit" name="submit" value="提交">

p.146 GET
https://search.kmb.hk/KMBWebSite/?action=routesearch&route=170

Looking for a new television?
<form action="" method="GET">
Brand:	Samsung
Type:	OLED
Size:	55-65 inch
Max Price:	7500

Search

p.147
航班資訊 Flight Information
<form action="" method="POST">
Depart Airport: 出發地點：HKG 香港
Destination: 目的地：LHR (倫敦希思路)
Class: 客艙級別：商務 Business
曰期：2023-08-24
Flight Code: 航班編號：EC872

立即預訂 Book Now

p.148
<form action="" method="GET"> ??
User Name: user
Password: *****

p.l55 bmi-result
<?php
$wt = $_POST["weight"]
$ht = $_POST["height"]

echo "Hi  {$_POST["name"]}, your weight and height
 are {$_POST["weight"]} and {$_POST["height"]) respectively";

$bmi = $wt/$ht**2
echo $bmi
?>

p.156
student.htm
<form action="student.php" method="POST">
<input type="text" name="sid">
name
marks
submit

student.php
<?php
Sname = $_POST["name"];
if($_POST["marks"]>80){
	$grade = "A";
}elseif

?>

p.157
pastPaper.htm
<form action="pastPaper.php" method="GET">
<input type="text" name="year">
subject
subpaper
submit

pastPaper.php
$subject = $_GET["subject"];
if ($_GET["year"] < 2012){
	echo "沒有2012年前的過去試卷！";
}

p.158
graduationGPA.htm
<form method="POST" action="processGPA.php">
學生名稱：<input type="text" name="name"> <br>
學院：<input type="text" name="faculty"> <br>
第一年GPA : <input type="number" step="any" name="gpa_l"> <br>
第二年GPA : <input type="number" step="any" name="gpa_2"> <br>
第三年GPA : <input type="number" step="any" name="gpa_3"> <br>
第四年GPA : <input type="number" step="any" name="gpa_4"> <br>
<input type="submit" name="submit"> <br>
</form>


Student name: Oscar
Faculty: Science
Your GPA is 3.84

p.159
<?php
//output student's name
echo "Student name:  ($_POST["name"]}";
//outputs home faculty"
echo "Faculty:  {$_POST["faculty"]}";
//calculates the graduating GPA
$gGPA = ($_POST["gpa1"]+ $_POST["gpa2"];
 + ($_POST["gpa3"]*1.5) + ($_POST["gpa4"]*2) ) / (1+1+1.5+2);
//output GPA
echo "Your graduating GPA is {$gGPA}";

p.164-data-validation
resultBMI.php
<?php
$wt = $_POST["weight"]
$ht = $_POST["height"]

$valid = true
if(empty($_POST["name"])){
	$valid = false;
}
if(empty($ht)){
	$valid = false;
}elseif($ht<0 || $ht>250){
	$valid = false;
}
if(empty($wt)){
	$valid = false;
}elseif($wt<0 || $wt>250){
	$valid = false;
}

if($valid){
	$bmi = $wt/($ht/100)**2);
	echo "Hi {$_POST["name"]}, your BMI is {$bmi}.";
}else{
	echo "不合法Invalid data entered!";
?>

p.170-cp3.4
Questionaire on Eating Habit
Please answer the following questions
Name: Chris Wong
Gender: Male
Age: 29 ▼

你最喜歡在哪裏吃晚飯？
What is your favourite place to have dinner?
Tommy's Kitchen
Email: chriswongl23@mymail.net
When was the last time you ate out?
最近一次外出用膳是何時？	25/1/2024 ▼
how often do you order food delivery?
你多常叫外賣送餐？	1-5

eatingHabit.html
Submit	
□
<form action="process.php" method="POST">
Name：<input type="text" name="name"> <br>
Age：<input type="number" step="1" name="age"> <br>
Email：<input type="tgxt" name="email"> <br>
What is your favourite place to have dinner? <br>
<input type="text" name="fav_p"> <br>
When was the last time you ate out? <br>
<input type="date" name="eat_out"> <br>
On a scale of 1 to 5, how often do you order food delivery? <br>
<select name="delivery">
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select> <br>
<input type="submit" name="submit">
</form>
(a)用戶點擊提交按鈕後，表單數據會如何發送

p.171
<?php
$valid = True;
$fields = ["name","age","email","eat_out","delivery","submit"];
foreach ($fields as $f){
	if(empty($_POST[$f]){
		$valid = False;
	}
)

Python
for f in fields：

p.172
(i)格式檢査：
if (! strpos($_POST["email"],"@"){
	$valid = False;
}
(ii)類型及範圍檢査：
if (! is_numeric($_POST["age"]) || $_POST["age"]<=0){
	$valid = False;
}
(iii)範圍檢査：
if ($_POST["eat_out"] > date{"Y-m-d")){
	$valid = False;
}
(iv)固定數值據查：(1-5)
if (! in_array($_POST["delivery"],[1,2,3,4,5])){
	$valid = False;
}

p.181-quadratic
quadraticSolver.php

<h1>Quadratic Solver</h1>
<p>Enter the coefficients below: ax<sup>2</sup>+bx+c = 0</p>
<form action="" method="POST">
Part A
HTML form for users to enter three coefficients of the quadratic equation
</form>

<?php
if (isset($_POST["submit"])) {
	$valid = true;
	PartB: PHP code for data validation:
		Presence check and Type Check on coefficients inputted by a user
	$a = $_POST["a"];
	$b = $_POST["b"];
	$c = $_POST["c"];

	if($valid){
		$disc = $b**2 -4*$a*$c;
		Part C: PHP code for calculating the solution:
	} else {
		echo "Invalid coefficients entered!";
	}
}
?>

p.182 Part A
<h1>Quadratic Solver</h1>
<p>Enter the coefficients below: ax<sup>2</sup>+bx+c = 0</p>
<form action="" method="POST">
a:<input type="number" name="a" step="any"> <br>
b:<input type="number" name="b" step="any"> <br>
c:<input type="number" name="c" step="any"> <br>
<input type="submit" name="submit">
</form>

p.184 Part B
<?php
if(isset($_POST["submit"]))
	$valid = True;
	if	(empty($_POST["a"]) || !is_numeric($_POST["a"])){
		$valid = False;
	} elseif(empty($_POST["b"]) || !is_numeric($_POST["b"])){
		$valid = False;
	} elseif(empty($_POST["c"]) || !is_numeric($_POST["c"])){
		$valid = False;
	}
}

p.185 Part C
if($valid){
	$disc = $b**2 -4*$a*$c;
	if ($disc>0){
		$root_1 = (-$b + sqrt($disc)) / (2*$a);
		$root_2 = (-$b - sqrt($disc)) / (2*$a);
		echo "There are two distinct real solutions.<br>";
		echo "The solutions are {$root_1) and {$root_2}.";
	} elseif ($disc == 0){
		$root =  (-$b) / (2*$a);
		echo "There is one repeated real solution.<br>";
		echo "The solution is {$root}.";
	} else {
		echo "There is no real solution.";
	}
} else {
	echo "Invalid coefficients entered!";
}