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How do you merge and sort an array using PHP?
To merge and sort an array in PHP you need to use the array_merge() and sort() functions like shown in the example below: <?php $array1 = array(1, 5, 3, 9, 7); $array2 = array(8, 2, 6, 4, 0); // merge the arrays $merge = array_merge($array1, $array2); // 1, 5, 3, 9, 7, 8, 2, 6, 4, 0 // sort the array sort($merge); // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ?>
How do you find the size of an array in PHP?
To find the size of an array in PHP you can either use the count() function or the sizeof() function as they will produce the same result. <?php $array = array(1, 2, 3, 4, 5, 6, 7); echo count($array); // outputs 7 echo sizeof($array); // outputs 7 ?>
Explain how you show a remainder on an array 25 divided by 6?
4.1667
How do you pick a random value from a PHP array?
To pick random results from an array in PHP you will need to use the array_rand() function, you can select the amount of results you wish it too select too. <?php $array = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); $rand_results = array_rand($array, 3); // will select 3 random results from the array and store in a new array ?>
What 4 numbers is the mean of 6?
To find the four numbers that have a mean of 6, we need to consider that the mean is the average of all the numbers. Therefore, the sum of the four numbers should be 4 times the mean, which is 24. To have a mean of 6, the four numbers could be 5, 6, 7, and 6, as (5 + 6 + 7 + 6) / 4 = 24 / 4 = 6.
