Assignment Task

 

Question 1

Which of the following options is correct about functions in PHP?

1. One can define a function without a name. Similarly, one can define a function without a return statement.
2. When an argument is passed by value, the original variable is sent to the function. Then any changes to the parameter in the function causes changes in the value stored in the original variable.
3. If a function is defined without any parameters, it means that no arguments can be passed to the function when a function call is made.
4. A dedicated PHP file can be created to define multiple functions but a namespace must be created for the functions in the file.

Question 2

To create a function named foo that has one parameter that has a default value of 5 and one required parameter, you start the function like this:

1. function foo($parm1){
2. function foo($parm1, $parm2 = 5){
3. function foo($parm1, $parm2){
4. function foo($parm1 = 5, $parm2){

 

 

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  • Uploaded By : William
  • Posted on : April 19th, 2019

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