Which one of the following is the right way of defining a function in PHP?

(a)

function { function body }

(b)

data type functionName(parameters) { function body }

(c)

functionName(parameters) { function body }

(d)

function fumctionName(parameters) { function body }

A function in PHP starts with __ 

(a)

Function

(b)

__def

(c)

def

(d)

function

What will be the output of the following PHP code?
< ?php
\($\)a=array(“A”,”Cat”,”Dog”,”A”,”Dog”);
\($\)b=array(“A”,”A”,”Cat”,”A”,”Tiger”);
\($\)c=array_combine(\($\)a,\($\)b);
print_r(array_count_values(\($\)c));
? >

(a)

Array ( [A] = > 5 [Cat] = > 2 [Dog] = > 2 [Tiger] = > 1 )

(b)

Array ( [A] = > 2 [Cat] = > 2 [Dog] = > 1 [Tiger] = > 1 )

(c)

Array ( [A] = > 6 [Cat] = > 1 [Dog] = > 2 [Tiger] = > 1 )

(d)

None of these

For finding non empty elements in array we use

(a)

is_array ( ) function

(b)

size of ( ) function

(c)

array_count ( ) function

(d)

array_count ( ) function

Indices of arrays can be either strings or numbers and they are denoted as

(a)

$my_array {4}

(b)

$my_array [4]

(c)

$my_array | 4 |

(d)

None of them

Define Function in PHP.

What is the syntax for defining a function in PHP?

Write array Syntax in PHP

Write the features of built-in Functions.

Differentiate user defined and system defined Functions.

Differentiate Associate array and Multidimensional array.

Explain Function concepts in PHP.

Explain Array concepts and their types.