Array Filter Php Doc Code Example

Example 1: php array filter syntax

$numbers = [2, 4, 6, 8, 10];  function MyFunction($number) {   return $number > 5; }  $filteredArray = array_filter($numbers, "MyFunction");  /**  * `$filteredArray` now contains: `[6, 8, 10]`  * NB: Use this to remove what you don't want in the array  * @see `array_map` when you want to alter/change elements  * in the array.  */

Example 2: php array filter

<?php  $arr = ['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4];  var_dump(array_filter($arr, function($k) {     return $k == 'b'; }, ARRAY_FILTER_USE_KEY));  var_dump(array_filter($arr, function($v, $k) {     return $k == 'b' || $v == 4; }, ARRAY_FILTER_USE_BOTH)); ?>