Q. Which PHP function treats a string as collection of characters rather than a sequence?

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Q. By using special wildcards for matching a string which function is used?

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Q. In Perl-compatible patterns any pattern that is followed by ? this means that

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Q. What is meaning of "." in POSIX style regex?

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Q. Why a special character is used in beginning and end of string in Perl-compatible patterns?

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Q. Ereg ( ) function is no more included in

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Q. Inverse function of explode ( ) is

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Q. All these functions are preg_quote ( ), preg_grep ( ), preg_split ( ), preg_match_all ( ) example of

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Q. Htmlspecialchars ( ) function takes a string as argument and returns string in which form, that has a special meaning in HTML

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Q. MD5 is not secure to store passwords because

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Q. PHP removes ereg functions, and prefer using

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Q. A sequence of characters that is treated as a unit is called

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Q. Ltrim ( ) returns its string argument with

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Q. When two strings are exactly equivalent Strcmp ( ) returns what?

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Q. For finding out one string is equal to another string which function we can use?

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Q. Returns a string arguments with trilling blank space removed, is a behavior of

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Q. Which function is used for replacing whole string with an alternate string?

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Q. Stristr ( ) is identical to Strstr ( ) except that

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Q. Replacing string from left hand side is known as

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Q. A function that capitalizes first letter of each word in a string, is a

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