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
1. Report
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
1. Report
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
1. Report
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

Note: Not available
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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
1. Report

Question: What will be output of the following code?class test{
  private $a;
  function set($x){
   $this->a =$x;
  }
  public function get(){
   return $this->a;
  }
}

$t1 = new test;
$t1->set(10);
echo $t1->get();
A0

B10

CError

DNone

Note: Not available

Report

Question: What is meant by the term variable functions?
A
if a variable name has parentheses appended to it, PHP will look for a function with the same name as whatever the variable evaluates to, and will attempt to execute it

B
if a variable name has parentheses appended to it, PHP will look for a function with the same name and will attempt to execute it

C
There is no such term

Note: Not available
1. Report
Question: Which of the following is an invalid mode for opening a file?
A
r

B
rw

C
w

D
a+

E
b

Note: Not available
1. Report

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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 will be output of the following code?
class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();

Question: What is meant by the term variable functions?

Question: Which of the following is an invalid mode for opening a file?

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 will be output of the following code?class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();

Question: What is meant by the term variable functions?

Question: Which of the following is an invalid mode for opening a file?

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 output of the following code?
class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();