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1 | <?php |
2 | /** |
3 | * Pop PHP Framework (http://www.popphp.org/) |
4 | * |
5 | * @link https://github.com/popphp/popphp-framework |
6 | * @author Nick Sagona, III <dev@noladev.com> |
7 | * @copyright Copyright (c) 2009-2025 NOLA Interactive, LLC. |
8 | * @license http://www.popphp.org/license New BSD License |
9 | */ |
10 | |
11 | /** |
12 | * @namespace |
13 | */ |
14 | namespace Pop\Validator; |
15 | |
16 | /** |
17 | * Has count less than or equal validator class |
18 | * |
19 | * @category Pop |
20 | * @package Pop\Validator |
21 | * @author Nick Sagona, III <dev@noladev.com> |
22 | * @copyright Copyright (c) 2009-2025 NOLA Interactive, LLC. |
23 | * @license http://www.popphp.org/license New BSD License |
24 | * @version 4.5.0 |
25 | */ |
26 | class HasCountLessThanEqual extends AbstractValidator |
27 | { |
28 | |
29 | /** |
30 | * Traits |
31 | */ |
32 | use TraverseTrait; |
33 | |
34 | /** |
35 | * Method to evaluate the validator |
36 | * |
37 | * @param mixed $input |
38 | * @throws Exception |
39 | * @return bool |
40 | */ |
41 | public function evaluate(mixed $input = null): bool |
42 | { |
43 | // Set the input, if passed |
44 | if ($input !== null) { |
45 | $this->input = $input; |
46 | } |
47 | |
48 | $result = false; |
49 | |
50 | if (!is_array($input)) { |
51 | throw new Exception('Error: The evaluated input must be an array.'); |
52 | } |
53 | if (!is_array($this->value) || !is_numeric(reset($this->value))) { |
54 | throw new Exception("Error: The evaluated value must be an array of node name and count value, e.g. ['node' => 3]."); |
55 | } |
56 | |
57 | $field = array_key_first($this->value); |
58 | $count = reset($this->value); |
59 | |
60 | if ($this->message === null) { |
61 | $this->message = "The array must have a field '" . $field . "' with at most " . $count . " item(s)."; |
62 | } |
63 | |
64 | if (!str_contains($field, '.')) { |
65 | return (array_key_exists($field, $this->input) && |
66 | is_array($this->input[$field]) && count($this->input[$field]) <= $count); |
67 | } else { |
68 | $value = []; |
69 | self::traverseData($field, $this->input, $value); |
70 | |
71 | return (is_array($value) && (isset($value[0])) && (count($value[0]) <= $count)); |
72 | } |
73 | } |
74 | |
75 | } |