a2zinterviews

21.	Which modifier would you use in a PCRE function to match a pattern independently of case?
	The /i modifier will make a PCRE function match independently of case.
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22.	How can you associate a variable with a session?
	You set an element in the superglobal $_SESSION array.
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23.	Which function is designed to allow you to set a cookie on a visitor's browser?
	The setcookie() function enables you to set a cookie (although you could also output a Set-Cookie header using the header() function).
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24.	Which element in the $_SERVER array can contain the raw query string?
	The entire query string is made available to you in the $_SERVER['QUERY_STRING'] element.
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