Q:

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

hamza
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2022-05-18
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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.

Php programming,
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hamza
2022-05-18
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<?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

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