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

WBOYOriginal: 2016-07-25 08:54:331303browse

$arr = array(
1=>"11",
2=>"22",
3=>"33",
4=>""
);
print_r(count(array_filter($arr)));
?>

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

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