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8. Write a script that creates an associative or multidimensional array in PHP a. And displays that array in a table b. Create a form with at least two input fields and a Submit button. c. Write a scr...

8. Write a script that creates an associative or multidimensional array in PHP

a. And displays that array in a table

b. Create a form with at least two input fields and a Submit button.

c. Write a script that will validate that the user entered data in the input fields and that the fields are not blank when the Submit button is pressed

d. And returns the values entered in the input field when the Submit button is pressed.

engineering   Computer-Science   
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Answer #1

Dear Student ,

As per the requirement submitted above , kindly find the below solution.

This demonstration is using WAMP (Windows,Apache,MySQL And PHP).

Question a :

Here a new web page with name "multi.php" is created, which contains following code.

multi.php :

<!DOCTYPE html>

<html lang="en">

<head>

<!-- title for web page -->

<title>Multidimensional Array</title>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1">

</head>

<body>

<?php

//creating multidimensional array

$trainers=array

(

array("John","Microsoft stack","10 years"),

array("Sam","Database","8 years"),

array("VK","Java","5 years"),

array("SR","Javascript framwork","6 years"),

array("KL","Web Technology","15 years"),

);

?>

<table border=1>

<tr>

<th>Trainer Name</th>

<th>Technology Stack</th>

<th>Working Experience</th>

</tr>

<!-- this loop goes till number of rows -->

<?php for($i=0;$i<5;$i++) {?>

<tr>

<!-- this loop will goes till number columns -->

<?php for($j=0;$j<3;$j++) { ?>

<!-- display each value from the array -->

<td><?php echo $trainers[$i][$j]?></td>

<?php

}

?>

</tr>

<?php

}

?>

</table>

</body>

</html>

======================================================

Output : Open web page multi.php in the browser and will get the screen as shown below.

Screen 1 :multi.php

Multidimensional Array Cl localhost:8080/multi.php Trainer Name Technology Stack Working Experience John Sam VK SR. Microsoft

********************************

Question b ,c,d:

Here a new web page with name "PhpForm.php" is created, which contains following code.

PhpForm.php :

<!DOCTYPE html>

<html lang="en">

<head>

<!-- title for web page -->

<title>PHP Form Validation</title>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1">

</head>

<!-- <body> -->

<!-- form with action and method attribute -->

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">

<!-- textbox for name -->

Name :<input type="text" name="txtName"/>

<br/><br/>

<!-- textbox for age -->

Age :<input type="text" name="txtAge"/>

<br/><br/>

<!-- button to submit form -->

<input type="Submit" name="btnSubmit"/>

</form>

<?php

if(isset($_POST["btnSubmit"]))

{

$name=$_POST["txtName"];//name

$age=$_POST["txtAge"];//age

//checking name and age

if($name=="")

{ //display message

echo "Please provide name<br/>";

}

else if($age=="")

{ //display message

echo "Please provide age<br/>";

}

else if($age<18)

{ //display message

echo "Please provide age > 18.<br/>";

}

else

{

//display name and age

echo "Name : ".$name."<br/>";

echo "Age : ".$age."<br/>";

}

}

?>

</body>

</html>

======================================================

Output : open web page in the browser and will get the screen as shown below

Screen 1 :PhpForm.php

PHP Form Validation ぐ → C ⓘlocalhost:8080/PhpForm.php Name Age Submit

Screen 2 :Screen when name is empty

PHP Form Validation ぐ -) C ⓘlocalhost:8080/PhpForm.php Name Age Submit Please provide name

Screen 3 :Screen when age is empty

PHP Form Validation Clocalhost:8080/PhpForm.php Name Age Submit Please provide age

Screen 4 :Screen when age is <18

PHP Form Validation ぐう C ⓘlocalhost:8080/PhpForm.php Name Age Submit Please provide age > 18.

Screen 5 :Screen showing name and age

PHP Form Validation C localhost:8080/PhpForm.php Name Age Submit Name : Virat Kohli Age: 23

NOTE : PLEASE FEEL FREE TO PROVIDE FEEDBACK ABOUT THE SOLUTION.

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