array filter empty code example

Example 1: remove null from array javascript

let array = [0, 1, null, 2, 3];

function removeNull(array) {
return array.filter(x => x !== null)
};

Example 2: remove empty array elements php

$colors = array("red","","blue",NULL);

$colorsNoEmptyOrNull = array_filter($colors, function($v){ 
 return !is_null($v) && $v !== ''; 
});
//$colorsNoEmptyOrNull is now ["red","blue"]

Example 3: php remove empty values from array

$array = array_filter($array, function($a) {
    return trim($a) !== "";
});