PHP Exercises: Check a flat list for duplicate values
PHP: Exercise-84 with Solution
Write a PHP program to check a flat list for duplicate values. Returns true if duplicate values exists and false if values are all unique.
Sample Solution: -
PHP Code:
<?php
function has_Duplicates($items)
{
if (count($items) > count(array_unique($items)))
return 1;
else
return 0;
}
print_r(has_Duplicates([1, 2, 3, 4, 5, 5]));
echo "\n";
print_r(has_Duplicates([1, 2, 3, 4, 5]));
?>
Sample Output:
1 0
Flowchart:

PHP Code Editor:
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Previous: Write a PHP program to group the elements of an array based on the given function.
Next: Write a PHP program to get the head of a given list.
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PHP: Tips of the Day
Mutates the original array to filter out the values specified
Example:
<?php function tips_pull(&$items, ...$params) { $items = array_values(array_diff($items, $params)); return $items; } $items = ['x', 'y', 'z', 'x', 'y', 'z']; print_r(tips_pull($items, 'y', 'z')); ?>
Output:
Array ( [0] => x [1] => x )
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