check if any values are the same in an array php

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Giulia
30 Aug 2017
1if(count(array_unique($array)) === 1) {
2    // all values in $array are the same
3} else {
4    // at least 1 value in $array is different
5}
source
July
20 May 2017
1$allvalues = array('true', 'true', 'true');
2if (count(array_unique($allvalues)) === 1 && end($allvalues) === 'true') {
3}
Eva
02 Mar 2018
1if(count(array_unique($array, SORT_REGULAR)) < count($array)) {
2    // $array has duplicates
3} else {
4    // $array does not have duplicates
5}
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