Validator::isarray() - Code Metrics - Inspection of "added isarray validation" - facile-it/validoo - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f20507...fbd194 )

by Alessandro

created 2016-12-21 13:28 UTC

Validator::isarray() A

↳ Parent: Validator

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	0
cts	2
cp	0
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	1
crap	2

<?php

namespace Validoo;

/**
 * Validator Class
 * @author Alessandro Manno <[email protected]>
 * @author Chiara Ferrazza <[email protected]>
 * @copyright (c) 2016, Facile.it
 * @license https://github.com/facile-it/validoo/blob/master/LICENSE MIT Licence
 * @link https://github.com/facile-it/validoo
 */

/**
 * TODO: Exception handling for rules with parameters
 * TODO: unit tests for numeric, float, alpha_numeric, max_length, min_length, exact_length
 * TODO: add protection filters for several input vulnerabilities.
 */
class Validator
{

    /** @var array */
    private $errors = [];
    /** @var array */
    private $namings = [];
    /** @var array */
    private $customErrorsWithInputName = [];
    /** @var array */
    private $customErrors = [];

    /**
     * Constructor is not allowed because Validoo uses its own
     * static method to instantiate the validation
     * @param $errors
     * @param $namings
     */
    private function __construct($errors, $namings)
    {
        $this->errors = $errors;
        $this->namings = $namings;
    }

    /**
     * @param $inputs
     * @param array $rules
     * @param array|null $naming
     * @return Validator
     * @throws ValidooException
     */
    public static function validate($inputs, array $rules, array $naming = null): self
    {
        $errors = null;
        foreach ($rules as $input => $input_rules) {


            if (is_string($input_rules))
// Without braces (not recommended)
if (true)
    doSomething();

// Recommended
if (true) {
    doSomething();
}
                $input_rules = explode("|", $input_rules);

            if (!is_array($input_rules))
// Without braces (not recommended)
if (true)
    doSomething();

// Recommended
if (true) {
    doSomething();
}
                throw new ValidooException(ValidooException::ARRAY_EXPECTED, $input);

            if (in_array("onlyifset", $input_rules) && !isset($inputs[$input]))
// Without braces (not recommended)
if (true)
    doSomething();

// Recommended
if (true) {
    doSomething();
}
                continue;

            foreach ($input_rules as $rule => $closure) {
                if (!isset($inputs[$input])) {
                    $input_value = null;
                } else {
                    $input_value = $inputs[$input];
                }
                if (is_numeric($rule)) {
                    $rule = $closure;
                }
                if ('onlyifset' == $rule)
// Without braces (not recommended)
if (true)
    doSomething();

// Recommended
if (true) {
    doSomething();
}
                    continue;

                $rule_and_params = self::getParams($rule);
                $params = $real_params = $rule_and_params['params'];
                $rule = $rule_and_params['rule'];
                $params = self::getParamValues($params, $inputs);
                array_unshift($params, $input_value);

                if (false == self::doValidation($closure, $params, $rule)) {
                    $errors[$input][$rule]['result'] = false;
                    $errors[$input][$rule]['params'] = $real_params;
                }
            }


        }
        return new self($errors, $naming);
    }

    /**
     * @param $closure
     * @param $params
     * @param $rule
     * @return mixed
     * @throws ValidooException
     */
    private static function doValidation($closure, $params, $rule)
    {
        if (@get_class($closure) === 'Closure') {
            $refl_func = new \ReflectionFunction($closure);
            $validation = $refl_func->invokeArgs($params);
        } else if (@method_exists(get_called_class(), $rule)) {
            $refl = new \ReflectionMethod(get_called_class(), $rule);
            if ($refl->isStatic()) {
                $refl->setAccessible(true);
                $validation = $refl->invokeArgs(null, $params);
            } else {
                throw new ValidooException(ValidooException::STATIC_METHOD, $rule);
            }
        } else {
            throw new ValidooException(ValidooException::UNKNOWN_RULE, $rule);
        }
        return $validation;
    }

    /**
     * Gets the parameter names of a rule
     * @param $rule
     * @return mixed
     */
    private static function getParams($rule)
    {
        if (preg_match("#^([\w]+)\((.+?)\)$#", $rule, $matches)) {
            return [
                'rule' => $matches[1],
                'params' => explode(',', $matches[2])
            ];
        }
        return [
            'rule' => $rule,
            'params' => []
        ];
    }

    /**
     * Handle parameter with input name
     * eg: equals(:name)
     * @param mixed $params
     * @param $inputs
     * @return mixed
     */
    private static function getParamValues($params, $inputs)
    {
        foreach ($params as $key => $param) {
            if (preg_match("#^:([\w]+)$#", $param, $param_type)) {
                $params[$key] = @$inputs[(string)$param_type[1]];
            }
        }
        return $params;
    }

    /**
     * @param null $input
     * @return bool
     */
    protected static function required($input = null): bool
    {
        return (null !== $input && (trim($input) != ''));
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function numeric($input): bool
    {
        return is_numeric($input);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function email($input): bool
    {
        return filter_var($input, FILTER_VALIDATE_EMAIL);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function isdir($input): bool
    {
        return is_dir($input);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function isarray($input): bool
    {
        return is_array($input);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function integer($input): bool
    {
        return is_int($input) || ($input == (string)(int)$input);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function float($input): bool
    {
        return is_float($input) || ($input == (string)(float)$input);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function alpha($input): bool
    {
        return (preg_match("#^[a-zA-ZÀ-ÿ]+$#", $input) == 1);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function alpha_numeric($input): bool

    {
        return (preg_match("#^[a-zA-ZÀ-ÿ0-9]+$#", $input) == 1);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function ip($input): bool
    {
        return filter_var($input, FILTER_VALIDATE_IP);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function url($input): bool
    {
        return filter_var($input, FILTER_VALIDATE_URL);
    }

    /**
     * @param $input
     * @param $length
     * @return bool
     */
    protected static function max_length($input, $length): bool

    {
        return (strlen($input) <= $length);
    }

    /**
     * @param $input
     * @param $length
     * @return bool
     */
    protected static function min_length($input, $length): bool

    {
        return (strlen($input) >= $length);
    }

    /**
     * @param $input
     * @param $length
     * @return bool
     */
    protected static function exact_length($input, $length): bool

    {
        return (strlen($input) == $length);
    }

    /**
     * @param $input
     * @param $param
     * @return bool
     */
    protected static function equals($input, $param): bool
    {
        return ($input == $param);
    }

    /**
     * @param $input
     * @return bool
     */
    protected static function is_filename($input): bool

    {
        return preg_match('/^[A-Za-z0-9-_]+[.]{1}[A-Za-z]+$/', $input);
    }

    /**
     * @return bool
     */
    public function isSuccess()
    {
        return empty($this->errors);
    }

    /**
     * @param array $errors_array
     */
    public function customErrors(array $errors_array)
    {
        foreach ($errors_array as $key => $value) {
            // handle input.rule eg (name.required)
            if (preg_match("#^(.+?)\.(.+?)$#", $key, $matches)) {
                // $this->customErrorsWithInputName[name][required] = error message
                $this->customErrorsWithInputName[(string)$matches[1]][(string)$matches[2]] = $value;
            } else {
                $this->customErrors[(string)$key] = $value;
            }
        }
    }

    /**
     * @param string|null $lang
     * @return array
     * @throws ValidooException
     */
    public function getErrors(string $lang = null): array
    {
        if (null === $lang) {
            $lang = $this->getDefaultLang();
        }

        $error_results = [];
        $default_error_texts = $this->getDefaultErrorTexts($lang);

        foreach ($this->errors as $input_name => $results) {
            foreach ($results as $rule => $result) {
                $named_input = $this->handleNaming($input_name);
                /**
                 * if parameters are input name they should be named as well
                 */
                $result['params'] = $this->handleParameterNaming($result['params']);
                // if there is a custom message with input name, apply it
                if (isset($this->customErrorsWithInputName[(string)$input_name][(string)$rule])) {
                    $error_message = $this->customErrorsWithInputName[(string)$input_name][(string)$rule];
                } // if there is a custom message for the rule, apply it
                else if (isset($this->customErrors[(string)$rule])) {
                    $error_message = $this->customErrors[(string)$rule];
                } // if there is a custom validator try to fetch from its error file
                else if (isset($custom_error_texts[(string)$rule])) {
                    $error_message = $custom_error_texts[(string)$rule];
                } // if none try to fetch from default error file
                else if (isset($default_error_texts[(string)$rule])) {
                    $error_message = $default_error_texts[(string)$rule];
                } else {
                    throw new ValidooException(ValidooException::NO_ERROR_TEXT, $rule);
                }
                /**
                 * handle :params(..)
                 */
                if (preg_match_all("#:params\((.+?)\)#", $error_message, $param_indexes)) {
                    foreach ($param_indexes[1] as $param_index) {
                        $error_message = str_replace(':params(' . $param_index . ')', $result['params'][$param_index], $error_message);
                    }
                }
                $error_results[] = str_replace(':attribute', $named_input, $error_message);
            }
        }

        return $error_results;
    }

    /**
     * @return string
     */
    protected function getDefaultLang(): string
    {
        return 'en';
    }

    /*
     * TODO: need improvements for tel and urn urls.
     * check out url.test.php for the test result
     * urn syntax: http://www.faqs.org/rfcs/rfc2141.html
     *
     */

    /**
     * @param string|null $lang
     * @return array|mixed
     */
    protected function getDefaultErrorTexts(string $lang = null)
    {
        /* handle default error text file */
        $default_error_texts = [];
        if (file_exists(__DIR__ . '/errors/' . $lang . '.php')) {
            /** @noinspection PhpIncludeInspection */
            $default_error_texts = include __DIR__ . '/errors/' . $lang . '.php';
        }
        if (file_exists(__DIR__ . '/errors/' . $lang . '.json')) {
            $default_error_texts = json_decode(file_get_contents(__DIR__ . '/errors/' . $lang . '.json'), true);
        }


        return $default_error_texts;
    }

    /**
     * @param string $input_name
     * @return mixed|string
     */
    protected function handleNaming(string $input_name)
    {
        if (isset($this->namings[$input_name])) {
            $named_input = $this->namings[$input_name];
        } else {
            $named_input = $input_name;
        }

        return $named_input;
    }

    /**
     * @param array $params
     * @return array
     */
    protected function handleParameterNaming(array $params)
    {
        foreach ($params as $key => $param) {
            if (preg_match("#^:([\w]+)$#", $param, $param_type)) {
                if (isset($this->namings[(string)$param_type[1]])) {
                    $params[$key] = $this->namings[(string)$param_type[1]];
                } else {
                    $params[$key] = $param_type[1];
                }
            }
        }

        return $params;
    }

    /**
     * @param string $input_name
     * @param string|null $rule_name
     * @return bool
     */
    public function has(string $input_name, string $rule_name = null): bool
    {
        if (null !== $rule_name) {
            return isset($this->errors[$input_name][$rule_name]);
        }

        return isset($this->errors[$input_name]);
    }

    /**
     * @return array
     */
    final public function getResults(): array
    {
        return $this->errors;
    }
}


1		<?php
2
3		namespace Validoo;
4
5		/**
6		* Validator Class
7		* @author Alessandro Manno <[email protected]>
8		* @author Chiara Ferrazza <[email protected]>
9		* @copyright (c) 2016, Facile.it
10		* @license https://github.com/facile-it/validoo/blob/master/LICENSE MIT Licence
11		* @link https://github.com/facile-it/validoo
12		*/
13
14		/**
15		* TODO: Exception handling for rules with parameters
16		* TODO: unit tests for numeric, float, alpha_numeric, max_length, min_length, exact_length
17		* TODO: add protection filters for several input vulnerabilities.
18		*/
19		class Validator
20		{
21
22		/** @var array */
23		private $errors = [];
24		/** @var array */
25		private $namings = [];
26		/** @var array */
27		private $customErrorsWithInputName = [];
28		/** @var array */
29		private $customErrors = [];
30
31		/**
32		* Constructor is not allowed because Validoo uses its own
33		* static method to instantiate the validation
34		* @param $errors
35		* @param $namings
36		*/
37	48	private function __construct($errors, $namings)
38		{
39	48	$this->errors = $errors;
40	48	$this->namings = $namings;
41	48	}
42
43		/**
44		* @param $inputs
45		* @param array $rules
46		* @param array\|null $naming
47		* @return Validator
48		* @throws ValidooException
49		*/
50	48	public static function validate($inputs, array $rules, array $naming = null): self
51		{
52	48	$errors = null;
53	48	foreach ($rules as $input => $input_rules) {
		0 ignored issues – show Coding Style introduced 2016-12-20 16:59 UTC by Report Bug Copy Issue Report Blank line found at start of control structure Loading history...
54
55	48	if (is_string($input_rules))
		0 ignored issues – show Coding Style Best Practice introduced 2016-12-20 16:59 UTC by Report Bug Copy Issue Report It is generally a best practice to always use braces with control structures. Adding braces to control structures avoids accidental mistakes as your code changes: // Without braces (not recommended) if (true) doSomething(); // Recommended if (true) { doSomething(); } Loading history...
56	2	$input_rules = explode("\|", $input_rules);
57
58	48	if (!is_array($input_rules))
		0 ignored issues – show Coding Style Best Practice introduced 2016-12-16 16:20 UTC by Report Bug Copy Issue Report It is generally a best practice to always use braces with control structures. Adding braces to control structures avoids accidental mistakes as your code changes: // Without braces (not recommended) if (true) doSomething(); // Recommended if (true) { doSomething(); } Loading history...
59		throw new ValidooException(ValidooException::ARRAY_EXPECTED, $input);
60
61	48	if (in_array("onlyifset", $input_rules) && !isset($inputs[$input]))
		0 ignored issues – show Coding Style Best Practice introduced 2016-12-20 16:59 UTC by Report Bug Copy Issue Report It is generally a best practice to always use braces with control structures. Adding braces to control structures avoids accidental mistakes as your code changes: // Without braces (not recommended) if (true) doSomething(); // Recommended if (true) { doSomething(); } Loading history...
62	1	continue;
63
64	48	foreach ($input_rules as $rule => $closure) {
65	48	if (!isset($inputs[$input])) {
66	7	$input_value = null;
67		} else {
68	41	$input_value = $inputs[$input];
69		}
70	48	if (is_numeric($rule)) {
71	46	$rule = $closure;
72		}
73	48	if ('onlyifset' == $rule)
		0 ignored issues – show Coding Style Best Practice introduced 2016-12-20 16:59 UTC by Report Bug Copy Issue Report It is generally a best practice to always use braces with control structures. Adding braces to control structures avoids accidental mistakes as your code changes: // Without braces (not recommended) if (true) doSomething(); // Recommended if (true) { doSomething(); } Loading history...
74	1	continue;
75
76	48	$rule_and_params = self::getParams($rule);
77	48	$params = $real_params = $rule_and_params['params'];
78	48	$rule = $rule_and_params['rule'];
79	48	$params = self::getParamValues($params, $inputs);
80	48	array_unshift($params, $input_value);
81
82	48	if (false == self::doValidation($closure, $params, $rule)) {
83	27	$errors[$input][$rule]['result'] = false;
84	48	$errors[$input][$rule]['params'] = $real_params;
85		}
86		}
87
		0 ignored issues – show Coding Style introduced 2016-12-20 16:59 UTC by Report Bug Copy Issue Report Blank line found at end of control structure Loading history...
88		}
89	48	return new self($errors, $naming);
90		}
91
92		/**
93		* @param $closure
94		* @param $params
95		* @param $rule
96		* @return mixed
97		* @throws ValidooException
98		*/
99	48	private static function doValidation($closure, $params, $rule)
100		{
101	48	if (@get_class($closure) === 'Closure') {
102	2	$refl_func = new \ReflectionFunction($closure);
103	2	$validation = $refl_func->invokeArgs($params);
104	46	} else if (@method_exists(get_called_class(), $rule)) {
105	46	$refl = new \ReflectionMethod(get_called_class(), $rule);
106	46	if ($refl->isStatic()) {
107	46	$refl->setAccessible(true);
108	46	$validation = $refl->invokeArgs(null, $params);
109		} else {
110	46	throw new ValidooException(ValidooException::STATIC_METHOD, $rule);
111		}
112		} else {
113		throw new ValidooException(ValidooException::UNKNOWN_RULE, $rule);
114		}
115	48	return $validation;
116		}
117
118		/**
119		* Gets the parameter names of a rule
120		* @param $rule
121		* @return mixed
122		*/
123	48	private static function getParams($rule)
124		{
125	48	if (preg_match("#^([\w]+)\((.+?)\)$#", $rule, $matches)) {
126		return [
127	6	'rule' => $matches[1],
128	6	'params' => explode(',', $matches[2])
129		];
130		}
131		return [
132	42	'rule' => $rule,
133		'params' => []
134		];
135		}
136
137		/**
138		* Handle parameter with input name
139		* eg: equals(:name)
140		* @param mixed $params
141		* @param $inputs
142		* @return mixed
143		*/
144	48	private static function getParamValues($params, $inputs)
145		{
146	48	foreach ($params as $key => $param) {
147	6	if (preg_match("#^:([\w]+)$#", $param, $param_type)) {
148	6	$params[$key] = @$inputs[(string)$param_type[1]];
149		}
150		}
151	48	return $params;
152		}
153
154		/**
155		* @param null $input
156		* @return bool
157		*/
158	9	protected static function required($input = null): bool
159		{
160	9	return (null !== $input && (trim($input) != ''));
161		}
162
163		/**
164		* @param $input
165		* @return bool
166		*/
167		protected static function numeric($input): bool
168		{
169		return is_numeric($input);
170		}
171
172		/**
173		* @param $input
174		* @return bool
175		*/
176	4	protected static function email($input): bool
177		{
178	4	return filter_var($input, FILTER_VALIDATE_EMAIL);
179		}
180
181		/**
182		* @param $input
183		* @return bool
184		*/
185	2	protected static function isdir($input): bool
186		{
187	2	return is_dir($input);
188		}
189
190		/**
191		* @param $input
192		* @return bool
193		*/
194		protected static function isarray($input): bool
195		{
196		return is_array($input);
197		}
198
199		/**
200		* @param $input
201		* @return bool
202		*/
203	11	protected static function integer($input): bool
204		{
205	11	return is_int($input) \|\| ($input == (string)(int)$input);
206		}
207
208		/**
209		* @param $input
210		* @return bool
211		*/
212		protected static function float($input): bool
213		{
214		return is_float($input) \|\| ($input == (string)(float)$input);
215		}
216
217		/**
218		* @param $input
219		* @return bool
220		*/
221	4	protected static function alpha($input): bool
222		{
223	4	return (preg_match("#^[a-zA-ZÀ-ÿ]+$#", $input) == 1);
224		}
225
226		/**
227		* @param $input
228		* @return bool
229		*/
230		protected static function alpha_numeric($input): bool
		0 ignored issues – show Coding Style introduced 2016-12-16 09:58 UTC by Report Bug Copy Issue Report Method name "Validator::alpha_numeric" is not in camel caps format Loading history...
231		{
232		return (preg_match("#^[a-zA-ZÀ-ÿ0-9]+$#", $input) == 1);
233		}
234
235		/**
236		* @param $input
237		* @return bool
238		*/
239	4	protected static function ip($input): bool
240		{
241	4	return filter_var($input, FILTER_VALIDATE_IP);
242		}
243
244		/**
245		* @param $input
246		* @return bool
247		*/
248	9	protected static function url($input): bool
249		{
250	9	return filter_var($input, FILTER_VALIDATE_URL);
251		}
252
253		/**
254		* @param $input
255		* @param $length
256		* @return bool
257		*/
258		protected static function max_length($input, $length): bool
		0 ignored issues – show Coding Style introduced 2016-12-16 09:58 UTC by Report Bug Copy Issue Report Method name "Validator::max_length" is not in camel caps format Loading history...
259		{
260		return (strlen($input) <= $length);
261		}
262
263		/**
264		* @param $input
265		* @param $length
266		* @return bool
267		*/
268		protected static function min_length($input, $length): bool
		0 ignored issues – show Coding Style introduced 2016-12-16 09:58 UTC by Report Bug Copy Issue Report Method name "Validator::min_length" is not in camel caps format Loading history...
269		{
270		return (strlen($input) >= $length);
271		}
272
273		/**
274		* @param $input
275		* @param $length
276		* @return bool
277		*/
278		protected static function exact_length($input, $length): bool
		0 ignored issues – show Coding Style introduced 2016-12-16 09:58 UTC by Report Bug Copy Issue Report Method name "Validator::exact_length" is not in camel caps format Loading history...
279		{
280		return (strlen($input) == $length);
281		}
282
283		/**
284		* @param $input
285		* @param $param
286		* @return bool
287		*/
288	4	protected static function equals($input, $param): bool
289		{
290	4	return ($input == $param);
291		}
292
293		/**
294		* @param $input
295		* @return bool
296		*/
297		protected static function is_filename($input): bool
		0 ignored issues – show Coding Style introduced 2016-12-16 09:58 UTC by Report Bug Copy Issue Report Method name "Validator::is_filename" is not in camel caps format Loading history...
298		{
299		return preg_match('/^[A-Za-z0-9-_]+[.]{1}[A-Za-z]+$/', $input);
300		}
301
302		/**
303		* @return bool
304		*/
305	46	public function isSuccess()
306		{
307	46	return empty($this->errors);
308		}
309
310		/**
311		* @param array $errors_array
312		*/
313	1	public function customErrors(array $errors_array)
314		{
315	1	foreach ($errors_array as $key => $value) {
316		// handle input.rule eg (name.required)
317	1	if (preg_match("#^(.+?)\.(.+?)$#", $key, $matches)) {
318		// $this->customErrorsWithInputName[name][required] = error message
319		$this->customErrorsWithInputName[(string)$matches[1]][(string)$matches[2]] = $value;
320		} else {
321	1	$this->customErrors[(string)$key] = $value;
322		}
323		}
324	1	}
325
326		/**
327		* @param string\|null $lang
328		* @return array
329		* @throws ValidooException
330		*/
331	3	public function getErrors(string $lang = null): array
332		{
333	3	if (null === $lang) {
334	3	$lang = $this->getDefaultLang();
335		}
336
337	3	$error_results = [];
338	3	$default_error_texts = $this->getDefaultErrorTexts($lang);
339
340	3	foreach ($this->errors as $input_name => $results) {
341	3	foreach ($results as $rule => $result) {
342	3	$named_input = $this->handleNaming($input_name);
343		/**
344		* if parameters are input name they should be named as well
345		*/
346	3	$result['params'] = $this->handleParameterNaming($result['params']);
347		// if there is a custom message with input name, apply it
348	3	if (isset($this->customErrorsWithInputName[(string)$input_name][(string)$rule])) {
349		$error_message = $this->customErrorsWithInputName[(string)$input_name][(string)$rule];
350		} // if there is a custom message for the rule, apply it
351	3	else if (isset($this->customErrors[(string)$rule])) {
352	1	$error_message = $this->customErrors[(string)$rule];
353		} // if there is a custom validator try to fetch from its error file
354	2	else if (isset($custom_error_texts[(string)$rule])) {
355		$error_message = $custom_error_texts[(string)$rule];
356		} // if none try to fetch from default error file
357	2	else if (isset($default_error_texts[(string)$rule])) {
358	2	$error_message = $default_error_texts[(string)$rule];
359		} else {
360		throw new ValidooException(ValidooException::NO_ERROR_TEXT, $rule);
361		}
362		/**
363		* handle :params(..)
364		*/
365	3	if (preg_match_all("#:params\((.+?)\)#", $error_message, $param_indexes)) {
366	1	foreach ($param_indexes[1] as $param_index) {
367	1	$error_message = str_replace(':params(' . $param_index . ')', $result['params'][$param_index], $error_message);
368		}
369		}
370	3	$error_results[] = str_replace(':attribute', $named_input, $error_message);
371		}
372		}
373
374	3	return $error_results;
375		}
376
377		/**
378		* @return string
379		*/
380	3	protected function getDefaultLang(): string
381		{
382	3	return 'en';
383		}
384
385		/*
386		* TODO: need improvements for tel and urn urls.
387		* check out url.test.php for the test result
388		* urn syntax: http://www.faqs.org/rfcs/rfc2141.html
389		*
390		*/
391
392		/**
393		* @param string\|null $lang
394		* @return array\|mixed
395		*/
396	3	protected function getDefaultErrorTexts(string $lang = null)
397		{
398		/* handle default error text file */
399	3	$default_error_texts = [];
400	3	if (file_exists(__DIR__ . '/errors/' . $lang . '.php')) {
401		/** @noinspection PhpIncludeInspection */
402	3	$default_error_texts = include __DIR__ . '/errors/' . $lang . '.php';
403		}
404	3	if (file_exists(__DIR__ . '/errors/' . $lang . '.json')) {
405		$default_error_texts = json_decode(file_get_contents(__DIR__ . '/errors/' . $lang . '.json'), true);
406		}
407
408
409	3	return $default_error_texts;
410		}
411
412		/**
413		* @param string $input_name
414		* @return mixed\|string
415		*/
416	3	protected function handleNaming(string $input_name)
417		{
418	3	if (isset($this->namings[$input_name])) {
419		$named_input = $this->namings[$input_name];
420		} else {
421	3	$named_input = $input_name;
422		}
423
424	3	return $named_input;
425		}
426
427		/**
428		* @param array $params
429		* @return array
430		*/
431	3	protected function handleParameterNaming(array $params)
432		{
433	3	foreach ($params as $key => $param) {
434	1	if (preg_match("#^:([\w]+)$#", $param, $param_type)) {
435	1	if (isset($this->namings[(string)$param_type[1]])) {
436	1	$params[$key] = $this->namings[(string)$param_type[1]];
437		} else {
438	1	$params[$key] = $param_type[1];
439		}
440		}
441		}
442
443	3	return $params;
444		}
445
446		/**
447		* @param string $input_name
448		* @param string\|null $rule_name
449		* @return bool
450		*/
451		public function has(string $input_name, string $rule_name = null): bool
452		{
453		if (null !== $rule_name) {
454		return isset($this->errors[$input_name][$rule_name]);
455		}
456
457		return isset($this->errors[$input_name]);
458		}
459
460		/**
461		* @return array
462		*/
463		final public function getResults(): array
464		{
465		return $this->errors;
466		}
467		}
468

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