PHP code example of cdn77 / functions

1. Go to this page and download the library: Download cdn77/functions library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

cdn77 / functions example snippets


use function Cdn77\Functions\assert_return;

array_map(
    fn (mixed $value) => new RequiresInt(assert_return($value, is_int(...))),
    [1, 2, 3]
);


match ($val) {
  '1' => throw new Exception,
  '2' => foo(),
  default => noop(),
};


use function Cdn77\Functions\mapFromEntries;

$map = mapFromEntries([
  ['foo', 'bar'],
  ['baz', 'qux'],
]);

assert($map->get('foo') === 'bar');


use function Cdn77\Functions\Iterable\find;

$iterable = [0, 1, 2, 3];
$option = find($iterable, static fn (mixed $_, int $value) => $value < 2);

assert($option->unwrap() === 0);