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How to remove null values ​​from array in PHP?

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Release: 2023-03-01 13:00:02
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How to remove null values ​​from array in PHP?

#How to remove null values ​​from an array in PHP?

In PHP, you can use the "array_filter()" function to remove empty values ​​from the array. This function uses a callback function to filter the elements in the array. Its syntax is "array_filter(array)", and its parameters Array represents the array to be filtered. When using it, just pass the array into array.

Example code

<?php
    $array = array(&#39;a&#39; => "abc", &#39;b&#39; => "bcd",&#39;c&#39; =>"cde",&#39;d&#39; =>"def",&#39;e&#39;=>"");
    $b= array_filter($array);
    print_r($b);
?>
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Result:

Array (
[a] => abc
[b] => bcd
[c] => cde
[d] => def
)
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