PHP Exercises: Print out the multiplication table upto 6*6
PHP: Exercise-41 with Solution
Write a PHP program to print out the multiplication table upto 6*6.
Sample Solution: -
PHP Code:
<?php
for ($i = 1; $i < 7; $i++) {
for ($j = 1; $j < 7; $j++) {
if ($j == 1) {
echo str_pad($i*$j, 2, " ", STR_PAD_LEFT);
} else {
echo str_pad($i*$j, 4, " ", STR_PAD_LEFT);
}
}
echo "\n";
}
?>
Sample Output:
1 2 3 4 5 6 2 4 6 8 10 12 3 6 9 12 15 18 4 8 12 16 20 24 5 10 15 20 25 30 6 12 18 24 30 36
Flowchart:
PHP Code Editor:
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Previous: Write a PHP program to calculate the mod of two given integers without using any inbuilt modulus operator.
Next: Write a PHP program to find the first non-repeated character in a given string.
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PHP: Tips of the Day
How to Sort Multi-dimensional Array by Value?
Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
Example:
function sortByOrder($a, $b) { return $a['order'] - $b['order']; } usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can use an anonymous function:
usort($myArray, function($a, $b) { return $a['order'] - $b['order']; });
And finally with PHP 7 you can use the spaceship operator:
usort($myArray, function($a, $b) { return $a['order'] <=> $b['order']; });
To extend this to multi-dimensional sorting, reference the second/third sorting elements if the first is zero - best explained below. You can also use this for sorting on sub-elements.
usort($myArray, function($a, $b) { $retval = $a['order'] <=> $b['order']; if ($retval == 0) { $retval = $a['suborder'] <=> $b['suborder']; if ($retval == 0) { $retval = $a['details']['subsuborder'] <=> $b['details']['subsuborder']; } } return $retval; });
If you need to retain key associations, use uasort() - see comparison of array sorting functions in the manual
Ref : https://bit.ly/3i77vCC
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