laravel array filter by key php 7 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: 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);