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Exam 6: Manipulating Arrays

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Question 21

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The ____ argument of the array_splice() function indicates the name of the array you want to modify.

A) array_name
B) array_value
C) array_function
D) array_mod

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Question 22

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The array_shift() function adds one or more elements to the beginning of an array.

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Question 23

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The most commonly used array sorting functions are ____________________ and rsort() for indexed arrays.

The most common type of multidimensional array is a(n) ____ array.

____________________ function removes the first element from the beginning of an array.

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

You refer to the values in a multidimensional indexed array by including two sets of brackets, one which refers to the row and one which refers to the column.

PHP creates indexed arrays by default with a starting element of 0.

The array_push() function ____ one or more elements to the end of the array.

Use the array_keys() function to return an indexed array containing all the keys in an associative array.

The first set of indexes (or keys) in a ____________________ array determines the number of rows in the array and the second set of indexes (or keys) determines the number of columns in the array.

To remove an indexed array's elements, you need to run the array_values() function.

The ____ function lets you add or remove elements anywhere else in the array.

You pass the unset() function the array name and the ____________________ of the element you want to remove.

The array_push() function adds one or more elements to the end of an array.

Use the array_slice() function to return or copy a portion of an array and assign it to another array.

The ____________________ function determines whether a given value exists in an array and returns the index or key of the first matching element if it exists or FALSE if it does not.

With associative arrays, you can use any alphanumeric keys that you want for the array elements.

The array_splice() function adds or removes array elements located anywhere in an array.

To assign the first element of an associative array with a number other than zero (0), use the array operator ____________________ .