PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 2 and 4 2 and 3 1 and 4 1 and 2 2 and 4 2 and 3 1 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions is used to search a string? preg_match preg_find preg_found preg_search preg_match preg_find preg_found preg_search ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions can be used to concatenate array elements to form a single delimited string? concatenate() implode() concat() explode() concatenate() implode() concat() explode() ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$username = "jasoN";if (ereg("([^a-z])",$username))echo "Username must be all lowercase!";elseecho "Username is all lowercase!"; Username is all lowercase! No Output is returned Username must be all lowercase! Error Username is all lowercase! No Output is returned Username must be all lowercase! Error ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);? Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([1]=> 1) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([1]=> 1) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions. 10 8 7 9 10 8 7 9 ANSWER DOWNLOAD EXAMIANS APP