How to check duplicate data in PHP
function has_dupes($array) {
$dupe_array = array();
foreach ($array as $val) {
if (++$dupe_array[$val] > 1) {
return true;
}
}
return false;
}$counts = array_count_values($array);
$duplicate_title = array_filter($array, function ($value) use ($counts) {
return $counts[$value] > 1;
});
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