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Check if PHP array is empty using count()

June 21, 2022  ‐ 1 min read

Checking whether an array is empty comes down to checking whether there are any elements in the array. Therefore a logical approach is to count the elements in the array and check if this number is equal to zero.


$arr = [];
$isEmpty = count($arr) === 0;

But, since empty arrays in PHP are considered 'falsy' we can just check whether it evaluates to true or false in a boolean context.


$arr = [];

if (!$arr)
  echo 'Empty';