Which one of the following preg PHP function is used to do a find and replace on a string or an array?

Which one of the following functions is used to search a string?

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);?

The developers of PHP deprecated the safe mode feature as of which PHP version.

Say I want to change the extension of a PHP file, which of the following statements should I edit to change from .php to .html in the httpd.conf file?

Which directive should we disable to obscure the fact that PHP is being used on our server?

Which directive determines which degree of server details is provided if the ServerSignature directive is enabled?

Suppose all web material is located within the directory /home/www. To prevent users from viewing and manipulating files such as /etc/password, which one of the following statements should you use?

Which Apache directive outputs Apache’s server version, server name, port and compile-in modules?

The memory_limit is only applicable if ___ is enabled when you configure PHP. Fill in the blank.