PHP Regular Expressions Which one of the following preg PHP function is used to do a find and replace on a string or an array? preg_find_replace() preg_replace() preg_find() preg_findre() preg_find_replace() preg_replace() preg_find() preg_findre() 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 $author."; Error Contact the author of this article at n@chiketh@ex@mple.com Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at nachiketh@ex@mple.com Error Contact the author of this article at n@chiketh@ex@mple.com Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at nachiketh@ex@mple.com ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$foods = array("pasta", "steak", "fish", "potatoes");$food = preg_grep("/^s/", $foods);print_r($food); Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [3] => potatoes ) Array ( [0] => potatoes ) Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [3] => potatoes ) Array ( [0] => potatoes ) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B 1 and 3 2 and 4 2, 3 and 4 Only 1 1 and 3 2 and 4 2, 3 and 4 Only 1 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]/”, $number, PREG_GREP_INVERT);? Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([2]=>two [3]=>three [4]=>four) Array([1]=> 1) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([2]=>two [3]=>three [4]=>four) Array([1]=> 1) Array([0]=>0 [5]=>5) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$url = "contact@examians.com";echo ltrim(strstr($url, "@"),"@"); contact@examians.com contact examians.com contact@ contact@examians.com contact examians.com contact@ ANSWER DOWNLOAD EXAMIANS APP
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