PHP Regular Expressions POSIX stands for Portative Operating System Interface for Linux Portable Operating System Interface for Linux Portative Operating System Interface for Unix Portable Operating System Interface for Unix Portative Operating System Interface for Linux Portable Operating System Interface for Linux Portative Operating System Interface for Unix Portable Operating System Interface for Unix ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B 1 and 3 Only 1 2, 3 and 4 2 and 4 1 and 3 Only 1 2, 3 and 4 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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_findre() preg_find() preg_find_replace() preg_replace() preg_findre() preg_find() ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions will convert a string to all uppercase? struppercase() uppercase() str_uppercase() strtoupper() struppercase() uppercase() str_uppercase() strtoupper() 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@ contact examians.com contact@examians.com contact@ contact examians.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 ( [3] => potatoes ) Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [3] => potatoes ) Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) ANSWER DOWNLOAD EXAMIANS APP