Question

How to remove empty elements from array of strings in PHP

Answer 1

$s = " php python c c++ java";
$arr = explode(" ", $s);
print_r($arr);
echo "<br />";
$arr = array_filter($arr);
print_r($arr);

/*
run:
 
Array ( [0] => [1] => php [2] => python [3] => c [4] => c++ [5] => java ) 
Array ( [1] => php [2] => python [3] => c [4] => c++ [5] => java )
    
*/

 

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