如何从php中删除2D数组中的元素

Question

i have array look like bellow

Array
(
    [0] => Array
        (
            [REDUNDANT] => NO
            [FILE_NAME] => 51894a (2).pdf
        )
    [1] => Array
        (
            [REDUNDANT] => YES
            [FILE_NAME] => book (2).pdf
        )
    [2] => Array
        (
            [REDUNDANT] => YES
            [FILE_NAME] => samae (1).pdf
        )
    [3] => Array
        (
            [REDUNDANT] => NO
            [FILE_NAME] => aswss (1).pdf
        )        
)

i want to remove all element with array[INDEX][REDUNDANT] == 'YES'

after delete the array new array look like below

Array
(
    [0] => Array
        (
            [REDUNDANT] => NO
            [FILE_NAME] => 51894a (2).pdf
        )
    [1] => Array
        (
            [REDUNDANT] => NO
            [FILE_NAME] => aswss (1).pdf
        )        
)

please help to find solution for me thanks

Answer 1

Try this,

foreach($files as $key => $file){
   if($file['REDUNDANT'] == "Yes"){
       unset($files[$key]);
   }
}
$files = array_values($files); // Reset key of updated array.

Codepad Demo.