PHP FUNCTIONS QUIZ

strlen() returns the length of the string on success and . . . . if the string is empty.

-1

NULL

0

Garbage value

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What will be the output of the following PHP code? function a() { function b() { echo 'I am b'; } echo 'I am a'; } a(); a();

Error

I am bI am a

I am b

I am a Error

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What will be the output of the following PHP code? function addFunction($num1, $num2) { $sum = $num1 + $num2; return $sum; } $return_value = addFunction(10, 20); echo "Returned value from the function : $return_value"

Returned value from the function : $return_value

Error

Returned value from the function :

Returned value from the function : 30

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Which one of the following functions can be used to compress a string?

gzcompress()

zip_compress()

compress()

zip()

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What will be the output of the following PHP code ? $var = 10; function one() { echo $var; } one();

None of the Mentioned

10

Error

No Output

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What will be the output of the following PHP code? echo hex2bin("48656c6c6f20576f726c6421");

This is PHP!

welcome to india

MCQ questons

Hello World!

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What will be the output of the following PHP code? $op2 = "blabla"; function foo($op1) { echo $op1; echo $op2; } foo("hello");

hello

helloblablablabla

error

helloblabla

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Which of the following PHP functions can be used to get the current memory usage?

get_memory_peak_usage()

get_usage()

get_memory_usage()

get_peak_usage()

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

functionName(parameters) { function body }

function fumctionName(parameters) { function body }

function { function body }

data type functionName(parameters) { function body }

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What will be the output of the following PHP code? function do($myString) { echo strpos($myString, "donkey",0); } do("The donkey looks like a horse.");

4

None of the mentioned

5

2

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strlen() returns the length of the string on success and . . . . if the string is empty.

What will be the output of the following PHP code?<br/>function a() {<br/>function b() {<br/>echo 'I am b';<br/>}<br/>echo 'I am a';<br/>}<br/>a();<br/>a();

What will be the output of the following PHP code?<br/>function addFunction($num1, $num2) {<br/>$sum = $num1 + $num2;<br/>return $sum;<br/>}<br/>$return_value = addFunction(10, 20);<br/>echo "Returned value from the function : $return_value"

Which one of the following functions can be used to compress a string?

What will be the output of the following PHP code ?<br/>$var = 10;<br/>function one()<br/>{<br/>echo $var;<br/>}<br/>one();

What will be the output of the following PHP code?<br/>echo hex2bin("48656c6c6f20576f726c6421");

What will be the output of the following PHP code?<br/>$op2 = "blabla";<br/>function foo($op1) {<br/>echo $op1;<br/>echo $op2;<br/>}<br/>foo("hello");

Which of the following PHP functions can be used to get the current memory usage?

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

What will be the output of the following PHP code?<br/>function do($myString) {<br/>echo strpos($myString, "donkey",0);<br/>}<br/>do("The donkey looks like a horse.");