php check array has same elemtns code example
Example 1: check if any values are the same in an array php
if(count(array_unique($array, SORT_REGULAR)) < count($array)) {
// $array has duplicates
} else {
// $array does not have duplicates
}
Example 2: php check for duplicates in array
function has_dupes($array) {
$dupe_array = array();
foreach ($array as $val) {
if (++$dupe_array[$val] > 1) {
return true;
}
}
return false;
}