PHP script Display the current day using a suitable function for UAE's timezone.Create a function "area_sphere " that receives the radius of the sphere and calculates and returns the area of the sphere.If the radius is less than 0, the function should return the value "Invalid Radius". The formula for calculating the area of the sphere is :A = 4.arWhere r is the radius of the sphere and A is the area of the sphere.Define your own constant for the constant pie.Initiate the variable r with some value and then display the radius and the area of the sphere using this function "area_sphere".Sample Outputs for radius 2Sample Output for radius -2:Current Date :12/Apr/2021Radius of Sphere: 2Area of Sphere:50.24Current Date :12/Apr/2021Radius of Sphere: -2Area of Sphere:Invalid Radius.

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Display the current day using a suitable function for UAE's timezone. Create a function "area_sphere " that receives the radius of the sphere and calculates and returns the area of the sphere. If the radius is less than 0, the function should return the value "Invalid Radius". The formula for calculating the area of the sphere is A = 4xr

Display the current day using a suitable function for UAE's timezone. Create a function "area_sphere " that receives the radius of the sphere and calculates and returns the area of the sphere. If the radius is less than 0, the function should return the value "Invalid Radius". The formula for calculating the area of the sphere is A = 4xr

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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PHP script

Display the current day using a suitable function for UAE's timezone.
Create a function "area_sphere " that receives the radius of the sphere and calculates and returns the area of the sphere.
If the radius is less than 0, the function should return the value "Invalid Radius". The formula for calculating the area of the sphere is :
A = 4.ar
Where r is the radius of the sphere and A is the area of the sphere.
Define your own constant for the constant pie.
Initiate the variable r with some value and then display the radius and the area of the sphere using this function "area_sphere".
Sample Outputs for radius 2
Sample Output for radius -2:
Current Date :12/Apr/2021
Radius of Sphere: 2
Area of Sphere:50.24
Current Date :12/Apr/2021
Radius of Sphere: -2
Area of Sphere:Invalid Radius.

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