PHP Quiz (Set 5) - Upskilling Engineers

PHP (Set 5)

1 / 10

What is the purpose of the 'extract()' function in PHP?

To extract elements from an array and create variables

To compress an array and save it as a ZIP file

To extract elements from a string

To extract elements from a database result set

2 / 10

What is the purpose of the 'header()' function when used with a location parameter in PHP?

To define the layout and design of a webpage

To redirect the user to a different page

To include external CSS files

To include external JavaScript files

3 / 10

What is the purpose of the 'nl2br()' function in PHP?

To remove line breaks from a string

To replace newlines with line break HTML tags in a string

To convert HTML entities to their corresponding characters

To escape special characters in a string

4 / 10

What is the purpose of the 'strtotime()' function in PHP?

To convert a timestamp into a formatted date string

To calculate the difference between two dates

To convert a date string into a timestamp

To compare two dates

5 / 10

What is the purpose of the 'strlen()' function in PHP?

To count the number of words in a string

To reverse the characters in a string

To check if a string contains a specific substring

To count the number of characters in a string

6 / 10

What is the purpose of the 'foreach()' loop in PHP?

To loop through a range of numbers

To loop through the elements of an array or an object

To loop through the keys of an array

To loop through a string character by character

7 / 10

What is the purpose of the 'header()' function in PHP?

To define the layout and design of a webpage

To include external CSS files

To send HTTP headers to the browser

To include external JavaScript files

8 / 10

What is the difference between '=='' and '===' operators in PHP?

'==' performs a loose comparison, while '===' performs a strict comparison including the type

'==' performs a strict comparison, while '===' performs a loose comparison

'==' compares two values, while '===' compares two variables

'==' compares two variables, while '===' compares two values

9 / 10

What is the purpose of the 'include()' function in PHP?

To include a CSS file in an HTML document

To import a PHP file into another PHP file

To include a JavaScript file in an HTML document

To include a font file in a web page

10 / 10

What is the purpose of the 'isset()' function in PHP?

To check if a variable is defined and not null

To unset a variable

To check if a variable is empty

To check if a variable is numeric

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