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<?php $a = array(0 , 0 , 0 , 0); if (count(array_filter($a)) == 0) { // do something if all elements are 0 echo "Contains all zero elements"; } else { // do something echo "Contains non zero elements"; }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Contains all zero elements

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