i have an array with page titles
Array
(
[0] => Advertising
[1] => Advertising Agency for UK and London
[2] => Advertising Agency London
[3] => Advertising Agency Services
[4] => Advertising Agency | London | UK - Internet Advertising and Traditional Campaigns
[5] => Advertising Agency | London | UK - Internet Advertising and Traditional Campaigns
[6] => 3D Design
[7] => 3D Design
[8] => 3D Design
)
i wondering how i could
1) count the number of page titles within the array that are unique
2) match and output the page titles that are not unique