CaseInsensitiveDictionary.php
5 months ago
FilteredIterator.php
5 months ago
InputValidator.php
5 months ago
InputValidator.php
110 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Input validation utilities. |
| 4 | * |
| 5 | * @package Requests\Utilities |
| 6 | */ |
| 7 | |
| 8 | namespace AmeliaVendor\WpOrg\Requests\Utility; |
| 9 | |
| 10 | use ArrayAccess; |
| 11 | use CurlHandle; |
| 12 | use Traversable; |
| 13 | |
| 14 | /** |
| 15 | * Input validation utilities. |
| 16 | * |
| 17 | * @package Requests\Utilities |
| 18 | */ |
| 19 | final class InputValidator { |
| 20 | |
| 21 | /** |
| 22 | * Verify that a received input parameter is of type string or is "stringable". |
| 23 | * |
| 24 | * @param mixed $input Input parameter to verify. |
| 25 | * |
| 26 | * @return bool |
| 27 | */ |
| 28 | public static function is_string_or_stringable($input) { |
| 29 | return is_string($input) || self::is_stringable_object($input); |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Verify whether a received input parameter is usable as an integer array key. |
| 34 | * |
| 35 | * @param mixed $input Input parameter to verify. |
| 36 | * |
| 37 | * @return bool |
| 38 | */ |
| 39 | public static function is_numeric_array_key($input) { |
| 40 | if (is_int($input)) { |
| 41 | return true; |
| 42 | } |
| 43 | |
| 44 | if (!is_string($input)) { |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | return (bool) preg_match('`^-?[0-9]+$`', $input); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Verify whether a received input parameter is "stringable". |
| 53 | * |
| 54 | * @param mixed $input Input parameter to verify. |
| 55 | * |
| 56 | * @return bool |
| 57 | */ |
| 58 | public static function is_stringable_object($input) { |
| 59 | return is_object($input) && method_exists($input, '__toString'); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Verify whether a received input parameter is _accessible as if it were an array_. |
| 64 | * |
| 65 | * @param mixed $input Input parameter to verify. |
| 66 | * |
| 67 | * @return bool |
| 68 | */ |
| 69 | public static function has_array_access($input) { |
| 70 | return is_array($input) || $input instanceof ArrayAccess; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Verify whether a received input parameter is "iterable". |
| 75 | * |
| 76 | * @internal The PHP native `is_iterable()` function was only introduced in PHP 7.1 |
| 77 | * and this library still supports PHP 5.6. |
| 78 | * |
| 79 | * @param mixed $input Input parameter to verify. |
| 80 | * |
| 81 | * @return bool |
| 82 | */ |
| 83 | public static function is_iterable($input) { |
| 84 | return is_array($input) || $input instanceof Traversable; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Verify whether a received input parameter is a Curl handle. |
| 89 | * |
| 90 | * The PHP Curl extension worked with resources prior to PHP 8.0 and with |
| 91 | * an instance of the `CurlHandle` class since PHP 8.0. |
| 92 | * {@link https://www.php.net/manual/en/migration80.incompatible.php#migration80.incompatible.resource2object} |
| 93 | * |
| 94 | * @param mixed $input Input parameter to verify. |
| 95 | * |
| 96 | * @return bool |
| 97 | */ |
| 98 | public static function is_curl_handle($input) { |
| 99 | if (is_resource($input)) { |
| 100 | return get_resource_type($input) === 'curl'; |
| 101 | } |
| 102 | |
| 103 | if (is_object($input)) { |
| 104 | return $input instanceof CurlHandle; |
| 105 | } |
| 106 | |
| 107 | return false; |
| 108 | } |
| 109 | } |
| 110 |