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. */
filter value in array php return single value
?php $data= [ 0 => [1, 'test1'], 1 => [2, 'test2'], 2 => [3, 'test3'], ]; $ids = array_map(function($item) { return $item[0]; }, $data); var_dump($ids);
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