Question
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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