PHP - Leading IT Training Institute in Pune

Which is not a valid variable name in PHP?

a)age

b)_age

c)PersonAge

d)1age

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Which function is used to replace text within a string?

a)str_replace()

b)replace()

c)replace_str()

d)string-replace()

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What will be the output of the following PHP code?

<?php
$x = 5;

function myFunction(){
echo "Result $x";
}
myFunction();
?>

a)Result $x

b)Result 5

c)Result

d)None of the above

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What will be the output of the following PHP code?

a)5, 10+10

b)5, 20

c)5 10+10

d)5 20

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What will be the output of the following PHP code?

<?php
printf("%x",65535);
?>

a)ffff

b)0xffff

c)FFFF

d)0XFFFF

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In the syntax of $GLOBALS[index], what does "index" hold?

a)Index (starting from 0) of the variable

b)Index (starting from 1) of the variable

c)Name of the variable

d)Line number of the variable where the variable was declared

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What is the complete syntax of chunk_split() function in PHP?

a)chunk_split(string,length,end)

b)chunk_split(string)

c)chunk_split(string,end)

d)chunk_split(length)

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Which type is used to store the database call?

a)object

b)class

c)resource

d)string

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There are two variables a, b which declared in global scope, which is the correct PHP statement to access them within a function?

a)global $a, $b;

b)global $a $b;

c)global ($a, $b);

d)php_global $a, $b;

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10.

Which data type is not supported by PHP?

a)Integer

b)Complex

c)Float

d)String

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11.

Which statement is commonly used for PHP output?

a)write

b)php.write

c)log

d)echo

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12.

What is the correct syntax of echo statement in PHP?

a)echo

b)echo()

c)echo = ()

d)Both A. and B.

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13.

What is the complete syntax of join() function in PHP?

a)join(string1, string2)

b)join(string1, string2, separator)

c)join(separator, array)

d)join(separator, string1, string2)

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14.

How many variable scopes are there in PHP?

a)1

b)2

c)3

d)4

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15.

A PHP integer data type can store values between ____.

a)-65,536 and 65,535

b)0 and 4,294,967,295

c)-(2^63) and (2^63)-1

d)-2,147,483,648 and 2,147,483,647

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16.

There is a variable "name" that contains the name of a person, which is/are the correct echo statement(s) to print the "name" suffix with "Hello"?

a) echo "Hello $name";

b)echo "Hello " . $name;

c)echo ("Hello $name");

d)All of the above

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17.

Which is/are statement(s) true about PHP?

a)It is an open-source scripting language

b)PHP scripts execute on the server

c) It is used for developing dynamic & interactive websites

d)All of the above

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18.

What will be the output of the following PHP code?

<?php
function Increment(){
static $num = 0;
echo "$num";
$num++;
}

Increment();
Increment();
Increment();
?>

a)000

b)111

c)011

d)012

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19.

What is NULL in PHP?

a)Value

b)Keyword

c)Data Type

d)Function

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20.

Which function converts a string of ASCII characters to hexadecimal values?

a)bin2hex()

b)str2hex()

c)hex()

d)str_hex()

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