BASIC PHP QUIZ | EXAMIANS

Variables always start with a ........ in PHP

Euro-sign

Yen-sign

Dollar-sign

Pond-sign

TRUE ANSWER : ?
YOUR ANSWER : ?

Assigning the empty string (like ' ') to a variable automatically renders it empty.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

Which statement will output $x on the screen?

echo “/$x”;

echo “$x;”;

echo “$$x”;

echo “\$x”;

TRUE ANSWER : ?
YOUR ANSWER : ?

The value of NAMESPACE is a string that contains the current namespace name. In global, un-namespaced code, it contains . . . . . .

an empty string

NULL

0

gibberish value

TRUE ANSWER : ?
YOUR ANSWER : ?

Multiple namespaces cannot be defined in the same file.

TRUE

FALSE

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following variables can be assigned a value to it? 1. $3hello 2. $_hello 3. $this 4. $This

2 and 4

All of the mentioned

2, 3 and 4

Only 2

TRUE ANSWER : ?
YOUR ANSWER : ?

strval()

Accepts a value and converts it into a string array

Accepts a value and converts it into string equivalent

Accepts a value and converts it into an string dictionary

None of above

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following code? function track() { static $count = 0; $count++; echo $count; } track(); track(); track();

111

000

123

011

TRUE ANSWER : ?
YOUR ANSWER : ?

With the introduction of namespaces, the same function name can be used in multiple places.

FALSE

TRUE

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the below statements is equivalent to $add += $add ?

$add = $add +$add

$add = $add + 1

$add = $add + $add + 1

$add = $add

TRUE ANSWER : ?
YOUR ANSWER : ?

Variables always start with a ........ in PHP

Assigning the empty string (like ' ') to a variable automatically renders it empty.

Which statement will output $x on the screen?

The value of NAMESPACE is a string that contains the current namespace name. In global, un-namespaced code, it contains . . . . . .

Multiple namespaces cannot be defined in the same file.

Which of following variables can be assigned a value to it?<br/>1. $3hello<br/>2. $_hello<br/>3. $this<br/>4. $This

strval()

What will be the output of the following code?<br/>function track() {<br/>static $count = 0;<br/>$count++;<br/>echo $count;<br/>}<br/>track();<br/>track();<br/>track();

With the introduction of namespaces, the same function name can be used in multiple places.

Which of the below statements is equivalent to $add += $add ?