Question 1

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

A. strlastpos() B. strpos() C. strlast() D. strrpos()

Question 2

Say we have two compare two strings which of the following function/functions can you use? <div>(i) strcmp()</div> <div>(ii) strcasecmp()</div> <div>(iii) strspn()</div> <div>(iv) strcspn()</div>

A. (i) and (ii) B. (iii) and (iv) C. None of the mentioned D. All of the mentioned

Question 3

Which one of the following regular expression matches any string containing zero or one p?

A. p+ B. p* C. P? D. p#

Question 4

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions?

A. 7 B. 8 C. 9 D. 10

Question 5

Which one of the following functions will convert a string to all uppercase?

A. strtoupper() B. uppercase() C. str_uppercase() D. struppercase()

Question 6

Which one of the following functions can be used to concatenate array elements to form a single delimited string?

A. explode() B. implode() C. concat() D. concatenate()

Question 7

PHP has long supported two regular expression implementations known as ___ and ___.<div>(i) Perl</div> <div>(ii) PEAR</div> <div>(iii) Pearl</div> <div>(iv) POSIX</div>

A. (i) and (ii) B. (ii) and (iv) C. (i) and (iv) D. (ii) and (iii)

Question 8

What will be the output of the following PHP code? <pre class="prettyprint"> < ?php echo str_pad("Salad", 5)." is good."; ?> </pre>

A. SaladSaladSaladSaladSalad is good B. is good SaladSaladSaladSaladSalad C. is good Salad D. Salad is good

Question 9

What will be the output of the following PHP code? <pre class="prettyprint"> < ?php $url = "nachiketh@example.com"; echo ltrim(strstr($url, "@"),"@"); ?> </pre>

A. nachiketh@example.com B. nachiketh C. nachiketh@ D. example.com

Question 10

What will be the output of the following PHP code? <pre class="prettyprint"> < ?php $title = "O'malley wins the heavyweight championship!"; echo ucwords($title); ?> </pre>

A. O B. O C. O D. o

PHP String and Regular Expression