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Exam 6: Manipulating Arrays

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Question 31

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Aside from its main function, the array_splice() function also renumbers the indexes in the array.

A) True
B) False

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Question 32

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The in_array() function returns a Boolean value of TRUE if a value exists in an array.

A) True
B) False

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Question 33

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The array_values() function operates directly on an array.

You use the ____ function to return a portion of an array and assign it to another array.

The array_key_exists() function determines whether a given index or key exists.

Run the ____________________ function to renumber an indexed array's element.

Instead of appending one array to another you can merge two or more arrays with the array_merge() function.

The array_unshift() function adds ____ element(s) to the beginning of the array.

You can create ____ that consist of multiple indexes or keys.

To perform a reverse sort on an associative array by key and maintain the existing keys, use the _____ function.

You can use the unset() function to remove array elements and other variables.

The ____________________ function moves the internal array pointer to the last element in an array.

The array_diff() function returns an array of elements that exist in one array but not in any other arrays to which it is compared.

You would use the ____________________ function t return an array of the elements that are common to all arrays that are compared.

The ____ function returns an array of elements that exist in one array but not in any other arrays to which it is compared.

You use the array_unshift() function to remove the first element from the beginning of an array.

The array_shift() function removes the ____ element from the beginning of an array.

The ____ function removes duplicate elements from an array.

The array_unique() function removes ____________________ elements from an array.

The____________________ function returns a Boolean value of TRUE if a given value exists in an array.