PHP Exercises: Find heights of the top three building in descending order from eight given buildings
PHP: Exercise-46 with Solution
Write a PHP program to find heights of the top three building in descending order from eight given buildings.
Input:
0 ≤ height of building (integer) ≤ 10,000
Pictorial Presentation:

Sample Solution: -
PHP Code:
<?php
$heights = array();
while($line = fgets(STDIN)) {
rtrim($line, "\n");
array_push($heights, (int)$line);
}
rsort($heights);
print("Heights of the top three buildings:\n");
echo $heights[0]."\n";
echo $heights[1]."\n";
echo $heights[2]."\n";
?>
Sample Output:
Heights of the top three buildings: 45 25 24
Flowchart:

PHP Code Editor:
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Previous: Write a PHP program to compute the sum of the digits of a number.
Next: Write a PHP program to compute the digit number of sum of two given integers.
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PHP: Tips of the Day
Returns all elements in an array except for the first one
Example:
<?php function tips_tail($items) { return count($items) > 1 ? array_slice($items, 1) : $items; } print_r(tips_tail([1, 5, 7])); ?>
Output:
Array ( [0] => 5 [1] => 7 )
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