PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 2 and 4 1 and 4 1 and 2 2 and 3 2 and 4 1 and 4 1 and 2 2 and 3 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]/”, $number, PREG_GREP_INVERT);? Array([1]=> 1) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([1]=> 1) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?echo str_pad("Salad", 5)." is good."; SaladSaladSaladSaladSalad is good is good SaladSaladSaladSaladSalad is good Salad Salad is good SaladSaladSaladSaladSalad is good is good SaladSaladSaladSaladSalad is good Salad Salad is good ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$foods = array("pasta", "steak", "fish", "potatoes");$food = preg_grep("/^s/", $foods);print_r($food); Array ( [3] => potatoes ) Array ( [0] => potatoes ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [1] => steak ) Array ( [3] => potatoes ) Array ( [0] => potatoes ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [1] => steak ) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$url = "contact@examians.com";echo ltrim(strstr($url, "@"),"@"); contact contact@ examians.com contact@examians.com contact contact@ examians.com contact@examians.com 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 2 and 3 1, 3 and 4 1 and 4 Only 1 2 and 3 1, 3 and 4 1 and 4 Only 1 ANSWER DOWNLOAD EXAMIANS APP
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