PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 1 and 2 1 and 4 2 and 4 2 and 3 1 and 2 1 and 4 2 and 4 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$foods = array("pasta", "steak", "fish", "potatoes");$food = preg_grep("/^s/", $foods);print_r($food); Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [1] => steak ) Array ( [3] => potatoes ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [1] => steak ) Array ( [3] => potatoes ) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Say we have two compare two strings which of the following function/functions can you use?1. strcmp()2. strcasecmp()3. strspn()4. strcspn() 3 and 4 All of the mentioned 1 and 2 None of the mentioned 3 and 4 All of the mentioned 1 and 2 None of the mentioned ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?1. fol2. fool3. fooool4. fooooool 1, 3 and 4 Only 1 2 and 3 1 and 4 1, 3 and 4 Only 1 2 and 3 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions [:alpha:] can also be specified as. [A-Za-z0-9] [a-z] [A-z] [A-za-z] [A-Za-z0-9] [a-z] [A-z] [A-za-z] ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$author = "nachiketh@example.com";$author = str_replace("a","@",$author);echo "Contact the author of this article at $author."; Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at n@chiketh@ex@mple.com Contact the author of this article at nachiketh@ex@mple.com Error Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at n@chiketh@ex@mple.com Contact the author of this article at nachiketh@ex@mple.com Error ANSWER DOWNLOAD EXAMIANS APP