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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 ?>
How do you draw an array to find the product of 4 multiplied by 5?
25
How do you count how many results are in a PHP array?
To find out how many results there are in a PHP array all you need to do is use the function count() like I have shown you in the example below.
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 two methods can be used to find the soution of the equation x plus 4 equals 13?
1) x+9=13 (subtract 9) x=4 2) x+9=13 (divide by 9) x/9+1=13/9 (use Pascals theorem of 1) (x+4)/2=4 x+4=8 x=4
