Question

How to find all the even values in array with array_filter() function in PHP

Answer 1

function even($val) {
      return(!($val & 1));
}
   
$arr = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
  
echo "Even Values:<br />";
print_r(array_filter($arr, "even"));
    
/*
run:
 
Even Values:
Array ( [1] => 2 [3] => 4 [5] => 6 [7] => 8 [9] => 10 ) 
      
*/

 

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Answer 2

function even($val) {
      return(!($val & 1));
}
   
$arr = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5, "f"=>6);
  
echo "Even Values:<br />";
print_r(array_filter($arr, "even"));
    
/*
run:
 
Even Values:
Array ( [b] => 2 [d] => 4 [f] => 6 )  
      
*/

 

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