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Editing: InputValidator.php
<?php /** * Input validation utilities. * * @package Requests\Utilities */ namespace WpOrg\Requests\Utility; use ArrayAccess; use CurlHandle; use Traversable; /** * Input validation utilities. * * @package Requests\Utilities */ final class InputValidator { /** * Verify that a received input parameter is of type string or is "stringable". * * @param mixed $input Input parameter to verify. * * @return bool */ public static function is_string_or_stringable($input) { return is_string($input) || self::is_stringable_object($input); } /** * Verify whether a received input parameter is usable as an integer array key. * * @param mixed $input Input parameter to verify. * * @return bool */ public static function is_numeric_array_key($input) { if (is_int($input)) { return true; } if (!is_string($input)) { return false; } return (bool) preg_match('`^-?[0-9]+$`', $input); } /** * Verify whether a received input parameter is "stringable". * * @param mixed $input Input parameter to verify. * * @return bool */ public static function is_stringable_object($input) { return is_object($input) && method_exists($input, '__toString'); } /** * Verify whether a received input parameter is _accessible as if it were an array_. * * @param mixed $input Input parameter to verify. * * @return bool */ public static function has_array_access($input) { return is_array($input) || $input instanceof ArrayAccess; } /** * Verify whether a received input parameter is "iterable". * * @internal The PHP native `is_iterable()` function was only introduced in PHP 7.1 * and this library still supports PHP 5.6. * * @param mixed $input Input parameter to verify. * * @return bool */ public static function is_iterable($input) { return is_array($input) || $input instanceof Traversable; } /** * Verify whether a received input parameter is a Curl handle. * * The PHP Curl extension worked with resources prior to PHP 8.0 and with * an instance of the `CurlHandle` class since PHP 8.0. * {@link https://www.php.net/manual/en/migration80.incompatible.php#migration80.incompatible.resource2object} * * @param mixed $input Input parameter to verify. * * @return bool */ public static function is_curl_handle($input) { if (is_resource($input)) { return get_resource_type($input) === 'curl'; } if (is_object($input)) { return $input instanceof CurlHandle; } return false; } }
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