PHP Fundamentals, PHP

Question: What does the following recursive function do, assuming that $x and $y are initially positive integers? function func($x,$y) { if($x <=0) { return $y; } else { return (1 +func($x-1,$y)); } }
A
it just returns $y

B
it just returns $x

C
it computes and returns $x+$y

D
it computes and returns $x*$y

Note: Not available
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Question: Which of the following is not used for variable-length argument lists in functions?
A
func_num_args()

B
func_var_args()

C
func_get_arg()

D
func_get_args()

Note: Not available
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Question: You need to keep track of how many objects of a given class exist WITHOUT introducing a non-class member vairable. Which one of the following will allow you to do this?
A
Add a member variable that gets incremented in the default constructor and decremented in the destructor

B
Add a local variable that gets incremented in each constructor and decremented in the destructor

C
Add a static member variable that gets incremented in each constructor and decremented in the destructor

D
This cannot be accomplished since the creation of objects is being done dynamically vai "new."

Note: Not available
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Question: What will be the output of the following code
$var = 10;
function fn()
{
$var = 20;
return $var;
}
fn();
echo $var;
A
10

B
20

C
Undefined Variable

D
Syntax Error

Note: Not available
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Question: What will be the output of the following code? $var = 1 + "-1.3e3"; echo $var;
A
-1299

B
1

C
1-1.3e3

D
Error:cannot add an integer and a string

Note: Not available
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Question: To retain the value of a local variable of a function over multiple calls to that function, you must declare that variable as:
A
local

B
global

C
static

D
none of these

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Question: An array has four elements. The elements index are:
A
0 1 2 and 3

B
1 2 3 and 4

C
a b c and d

D
a or 0, b or 1, c or 2, and d or 3

E
Anything as long as each is different

Note: Not available
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Question: What is the result of the following expression? 5+2*4+6
A
70

B
19

C
34

D
21

Note: Not available
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Question: Which of the following statements is not true with regard to abstract classes in php5?
A
Abstract classes are introduced in PHP5

B
A class with a single abstract method must be declared abstract

C
Abstract class can nontain non abstract methods

D
Abstract method must have method definition and can have optional empty braces following it

Note: Not available
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Question: The following php variables are declared:
<?php $company = 'ABS Ltd'; $$company = ',Sydney'; ?>
Which of the following is not a correct way of printing 'ABS Ltd, Sydney'?
A
echo "$company $$company";

B
echo "$company ${$company}";

C
echo "$company ${'ABS Led'}";

D
echo "$company {$$company}";

Note: Not available
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Question: What does the following recursive function do, assuming that $x and $y are initially positive integers? function func($x,$y) { if($x <=0) { return $y; } else { return (1 +func($x-1,$y)); } }

Question: Which of the following is not used for variable-length argument lists in functions?

Question: You need to keep track of how many objects of a given class exist WITHOUT introducing a non-class member vairable. Which one of the following will allow you to do this?

Question: What will be the output of the following code
$var = 10;
function fn()
{
$var = 20;
return $var;
}
fn();
echo $var;

Question: What will be the output of the following code? $var = 1 + "-1.3e3"; echo $var;

Question: To retain the value of a local variable of a function over multiple calls to that function, you must declare that variable as:

Question: An array has four elements. The elements index are:

Question: What is the result of the following expression? 5+2*4+6

Question: Which of the following statements is not true with regard to abstract classes in php5?

Question: The following php variables are declared:
<?php $company = 'ABS Ltd'; $$company = ',Sydney'; ?>
Which of the following is not a correct way of printing 'ABS Ltd, Sydney'?

Question: What does the following recursive function do, assuming that $x and $y are initially positive integers? function func($x,$y) { if($x <=0) { return $y; } else { return (1 +func($x-1,$y)); } }

Question: Which of the following is not used for variable-length argument lists in functions?

Question: You need to keep track of how many objects of a given class exist WITHOUT introducing a non-class member vairable. Which one of the following will allow you to do this?

Question: What will be the output of the following code$var = 10;function fn(){$var = 20;return $var;}fn();echo $var;

Question: What will be the output of the following code? $var = 1 + "-1.3e3"; echo $var;

Question: To retain the value of a local variable of a function over multiple calls to that function, you must declare that variable as:

Question: An array has four elements. The elements index are:

Question: What is the result of the following expression? 5+2*4+6

Question: Which of the following statements is not true with regard to abstract classes in php5?

Question: The following php variables are declared:<?php $company = 'ABS Ltd'; $$company = ',Sydney'; ?> Which of the following is not a correct way of printing 'ABS Ltd, Sydney'?

Question: What will be the output of the following code
$var = 10;
function fn()
{
$var = 20;
return $var;
}
fn();
echo $var;

Question: The following php variables are declared:
<?php $company = 'ABS Ltd'; $$company = ',Sydney'; ?>
Which of the following is not a correct way of printing 'ABS Ltd, Sydney'?