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PHP calculates the number of elements in an array that are not empty

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2016-07-25 08:54:331343browse
  2. $arr = array(
  3. 1=>"11",
  4. 2=>"22",
  5. 3=>"33",
  6. 4=>""
  7. );
  8. print_r(count(array_filter($arr)));
  9. ?>
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