php array_iunique case insensitive no latin values -


hello have string might include duplicate strings-words example "Το το" far have this:

function array_iunique($array) {     return array_intersect_key($array,array_unique(array_map('mb_strtolower',$array))); }

array_iunique

when test string in english "to to" works great , outputs array 1 value, when try greek string mentioned above doesn't. missing here ?

expected result return 1 word , i'm interested in greek only.

for might have same issue solves issue:

function array_iunique($array) {     return array_intersect_key(         $array,         array_unique(             array_map(                 function($text) {                     return mb_strtolower($text, 'utf-8');                 },                 $array             )         )     ); }

ref


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