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QUESTION 1 The array_shift() function adds one or more elements to the beginning of an array. True False QUESTION 2 You use the array_unshift() function

QUESTION 1

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

True

False

QUESTION 2

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

True

False

QUESTION 3

The array_pop() functions removes the element located at the end of the array.

True

False

QUESTION 4

The array_push() function adds an element to the end of an array.

True

False

QUESTION 5

The array_splice() function splices arrays together and renumbers the array indices.

True

False

QUESTION 6

The unglue() function removes array elements.

True

False

QUESTION 7

The unset() function does not renumber the remaining elements in the array.

True

False

QUESTION 8

The array_unique() function removes duplicate values in an array.

True

False

QUESTION 9

There is an internal array pointer that refers to the currently selected array element.

True

False

QUESTION 10

If a value exists in an array the in_array() function returns 'present', otherwise it returns 'absent'.

True

False

QUESTION 11

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

True

False

QUESTION 12

The array_keys() function returns an indexed array of all the keys in an associative array.

True

False

QUESTION 13

The array_slice() function returns part of an array and assign it to another array.

True

False

QUESTION 14

You will usually sort arrays using sort() and rsort() for associative arrays.

True

False

QUESTION 15

To merge two or more arrays use the array_merge() function.

True

False

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