26  * @method static void nullOrString($value, $message = '')
27  * @method static void nullOrStringNotEmpty($value, $message = '')
28  * @method static void nullOrInteger($value, $message = '')
29  * @method static void nullOrIntegerish($value, $message = '')
30  * @method static void nullOrFloat($value, $message = '')
31  * @method static void nullOrNumeric($value, $message = '')
32  * @method static void nullOrNatural($value, $message = '')
33  * @method static void nullOrBoolean($value, $message = '')
34  * @method static void nullOrScalar($value, $message = '')
35  * @method static void nullOrObject($value, $message = '')
36  * @method static void nullOrResource($value, $type = null, $message = '')
37  * @method static void nullOrIsCallable($value, $message = '')
38  * @method static void nullOrIsArray($value, $message = '')
39  * @method static void nullOrIsTraversable($value, $message = '')
40  * @method static void nullOrIsArrayAccessible($value, $message = '')
41  * @method static void nullOrIsCountable($value, $message = '')
42  * @method static void nullOrIsIterable($value, $message = '')
43  * @method static void nullOrIsInstanceOf($value, $class, $message = '')
44  * @method static void nullOrNotInstanceOf($value, $class, $message = '')
45  * @method static void nullOrIsInstanceOfAny($value, $classes, $message = '')
46  * @method static void nullOrIsEmpty($value, $message = '')
47  * @method static void nullOrNotEmpty($value, $message = '')
48  * @method static void nullOrTrue($value, $message = '')
49  * @method static void nullOrFalse($value, $message = '')
50  * @method static void nullOrIp($value, $message = '')
51  * @method static void nullOrIpv4($value, $message = '')
52  * @method static void nullOrIpv6($value, $message = '')
53  * @method static void nullOrEq($value, $value2, $message = '')
54  * @method static void nullOrNotEq($value,$value2,  $message = '')
55  * @method static void nullOrSame($value, $value2, $message = '')
56  * @method static void nullOrNotSame($value, $value2, $message = '')
57  * @method static void nullOrGreaterThan($value, $value2, $message = '')
58  * @method static void nullOrGreaterThanEq($value, $value2, $message = '')
59  * @method static void nullOrLessThan($value, $value2, $message = '')
60  * @method static void nullOrLessThanEq($value, $value2, $message = '')
61  * @method static void nullOrRange($value, $min, $max, $message = '')
62  * @method static void nullOrOneOf($value, $values, $message = '')
63  * @method static void nullOrContains($value, $subString, $message = '')
64  * @method static void nullOrNotContains($value, $subString, $message = '')
65  * @method static void nullOrNotWhitespaceOnly($value, $message = '')
66  * @method static void nullOrStartsWith($value, $prefix, $message = '')
67  * @method static void nullOrStartsWithLetter($value, $message = '')
68  * @method static void nullOrEndsWith($value, $suffix, $message = '')
69  * @method static void nullOrRegex($value, $pattern, $message = '')
70  * @method static void nullOrNotRegex($value, $pattern, $message = '')
71  * @method static void nullOrAlpha($value, $message = '')
72  * @method static void nullOrDigits($value, $message = '')
73  * @method static void nullOrAlnum($value, $message = '')
74  * @method static void nullOrLower($value, $message = '')
75  * @method static void nullOrUpper($value, $message = '')
76  * @method static void nullOrLength($value, $length, $message = '')
77  * @method static void nullOrMinLength($value, $min, $message = '')
78  * @method static void nullOrMaxLength($value, $max, $message = '')
79  * @method static void nullOrLengthBetween($value, $min, $max, $message = '')
80  * @method static void nullOrFileExists($value, $message = '')
81  * @method static void nullOrFile($value, $message = '')
82  * @method static void nullOrDirectory($value, $message = '')
83  * @method static void nullOrReadable($value, $message = '')
84  * @method static void nullOrWritable($value, $message = '')
85  * @method static void nullOrClassExists($value, $message = '')
86  * @method static void nullOrSubclassOf($value, $class, $message = '')
87  * @method static void nullOrInterfaceExists($value, $message = '')
88  * @method static void nullOrImplementsInterface($value, $interface, $message = '')
89  * @method static void nullOrPropertyExists($value, $property, $message = '')
90  * @method static void nullOrPropertyNotExists($value, $property, $message = '')
91  * @method static void nullOrMethodExists($value, $method, $message = '')
92  * @method static void nullOrMethodNotExists($value, $method, $message = '')
93  * @method static void nullOrKeyExists($value, $key, $message = '')
94  * @method static void nullOrKeyNotExists($value, $key, $message = '')
95  * @method static void nullOrCount($value, $key, $message = '')
96  * @method static void nullOrMinCount($value, $min, $message = '')
97  * @method static void nullOrMaxCount($value, $max, $message = '')
98  * @method static void nullOrIsList($value, $message = '')
99  * @method static void nullOrIsMap($value, $message = '')
100  * @method static void nullOrCountBetween($value, $min, $max, $message = '')
189     public static function string($value, $message = '')  argument
191         if (!is_string($value)) {
194                 static::typeToString($value)
199     public static function stringNotEmpty($value, $message = '')  argument
201         static::string($value, $message);
202         static::notEq($value, '', $message);
205     public static function integer($value, $message = '')  argument
207         if (!is_int($value)) {
210                 static::typeToString($value)
215     public static function integerish($value, $message = '')  argument
217         if (!is_numeric($value) || $value != (int) $value) {
219                 $message ?: 'Expected an integerish value. Got: %s',
220                 static::typeToString($value)
225     public static function float($value, $message = '')  argument
227         if (!is_float($value)) {
230                 static::typeToString($value)
235     public static function numeric($value, $message = '')  argument
237         if (!is_numeric($value)) {
240                 static::typeToString($value)
245     public static function natural($value, $message = '')  argument
247         if (!is_int($value) || $value < 0) {
250                 static::valueToString($value)
255     public static function boolean($value, $message = '')  argument
257         if (!is_bool($value)) {
260                 static::typeToString($value)
265     public static function scalar($value, $message = '')  argument
267         if (!is_scalar($value)) {
270                 static::typeToString($value)
275     public static function object($value, $message = '')  argument
277         if (!is_object($value)) {
280                 static::typeToString($value)
285     public static function resource($value, $type = null, $message = '')  argument
287         if (!is_resource($value)) {
290                 static::typeToString($value)
294         if ($type && $type !== get_resource_type($value)) {
297                 static::typeToString($value),
303     public static function isCallable($value, $message = '')  argument
305         if (!is_callable($value)) {
308                 static::typeToString($value)
313     public static function isArray($value, $message = '')  argument
315         if (!is_array($value)) {
318                 static::typeToString($value)
323     public static function isTraversable($value, $message = '')  argument
333         if (!is_array($value) && !($value instanceof Traversable)) {
336                 static::typeToString($value)
341     public static function isArrayAccessible($value, $message = '')  argument
343         if (!is_array($value) && !($value instanceof ArrayAccess)) {
346                 static::typeToString($value)
351     public static function isCountable($value, $message = '')  argument
353         if (!is_array($value) && !($value instanceof Countable)) {
356                 static::typeToString($value)
361     public static function isIterable($value, $message = '')  argument
363         if (!is_array($value) && !($value instanceof Traversable)) {
366                 static::typeToString($value)
371     public static function isInstanceOf($value, $class, $message = '')  argument
373         if (!($value instanceof $class)) {
376                 static::typeToString($value),
382     public static function notInstanceOf($value, $class, $message = '')  argument
384         if ($value instanceof $class) {
387                 static::typeToString($value),
393     public static function isInstanceOfAny($value, array $classes, $message = '')  argument
396             if ($value instanceof $class) {
403             static::typeToString($value),
408     public static function isEmpty($value, $message = '')  argument
410         if (!empty($value)) {
412                 $message ?: 'Expected an empty value. Got: %s',
413                 static::valueToString($value)
418     public static function notEmpty($value, $message = '')  argument
420         if (empty($value)) {
422                 $message ?: 'Expected a non-empty value. Got: %s',
423                 static::valueToString($value)
428     public static function null($value, $message = '')  argument
430         if (null !== $value) {
433                 static::valueToString($value)
438     public static function notNull($value, $message = '')  argument
440         if (null === $value) {
442                 $message ?: 'Expected a value other than null.'
447     public static function true($value, $message = '')  argument
449         if (true !== $value) {
451                 $message ?: 'Expected a value to be true. Got: %s',
452                 static::valueToString($value)
457     public static function false($value, $message = '')  argument
459         if (false !== $value) {
461                 $message ?: 'Expected a value to be false. Got: %s',
462                 static::valueToString($value)
467     public static function ip($value, $message = '')  argument
469         if (false === filter_var($value, FILTER_VALIDATE_IP)) {
471                 $message ?: 'Expected a value to be an IP. Got: %s',
472                 static::valueToString($value)
477     public static function ipv4($value, $message = '')  argument
479         if (false === filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
481                 $message ?: 'Expected a value to be an IPv4. Got: %s',
482                 static::valueToString($value)
487     public static function ipv6($value, $message = '')  argument
489         if (false === filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
491                 $message ?: 'Expected a value to be an IPv6. Got %s',
492                 static::valueToString($value)
497     public static function eq($value, $value2, $message = '')  argument
499         if ($value2 != $value) {
501                 $message ?: 'Expected a value equal to %2$s. Got: %s',
502                 static::valueToString($value),
508     public static function notEq($value, $value2, $message = '')  argument
510         if ($value2 == $value) {
512                 $message ?: 'Expected a different value than %s.',
518     public static function same($value, $value2, $message = '')  argument
520         if ($value2 !== $value) {
522                 $message ?: 'Expected a value identical to %2$s. Got: %s',
523                 static::valueToString($value),
529     public static function notSame($value, $value2, $message = '')  argument
531         if ($value2 === $value) {
533                 $message ?: 'Expected a value not identical to %s.',
539     public static function greaterThan($value, $limit, $message = '')  argument
541         if ($value <= $limit) {
543                 $message ?: 'Expected a value greater than %2$s. Got: %s',
544                 static::valueToString($value),
550     public static function greaterThanEq($value, $limit, $message = '')  argument
552         if ($value < $limit) {
554                 $message ?: 'Expected a value greater than or equal to %2$s. Got: %s',
555                 static::valueToString($value),
561     public static function lessThan($value, $limit, $message = '')  argument
563         if ($value >= $limit) {
565                 $message ?: 'Expected a value less than %2$s. Got: %s',
566                 static::valueToString($value),
572     public static function lessThanEq($value, $limit, $message = '')  argument
574         if ($value > $limit) {
576                 $message ?: 'Expected a value less than or equal to %2$s. Got: %s',
577                 static::valueToString($value),
583     public static function range($value, $min, $max, $message = '')  argument
585         if ($value < $min || $value > $max) {
587                 $message ?: 'Expected a value between %2$s and %3$s. Got: %s',
588                 static::valueToString($value),
595     public static function oneOf($value, array $values, $message = '')  argument
597         if (!in_array($value, $values, true)) {
600                 static::valueToString($value),
606     public static function contains($value, $subString, $message = '')  argument
608         if (false === strpos($value, $subString)) {
610                 $message ?: 'Expected a value to contain %2$s. Got: %s',
611                 static::valueToString($value),
617     public static function notContains($value, $subString, $message = '')  argument
619         if (false !== strpos($value, $subString)) {
621                 $message ?: '%2$s was not expected to be contained in a value. Got: %s',
622                 static::valueToString($value),
628     public static function notWhitespaceOnly($value, $message = '')  argument
630         if (preg_match('/^\s*$/', $value)) {
633                 static::valueToString($value)
638     public static function startsWith($value, $prefix, $message = '')  argument
640         if (0 !== strpos($value, $prefix)) {
642                 $message ?: 'Expected a value to start with %2$s. Got: %s',
643                 static::valueToString($value),
649     public static function startsWithLetter($value, $message = '')  argument
651         $valid = isset($value[0]);
656             $valid = ctype_alpha($value[0]);
662                 $message ?: 'Expected a value to start with a letter. Got: %s',
663                 static::valueToString($value)
668     public static function endsWith($value, $suffix, $message = '')  argument
670         if ($suffix !== substr($value, -static::strlen($suffix))) {
672                 $message ?: 'Expected a value to end with %2$s. Got: %s',
673                 static::valueToString($value),
679     public static function regex($value, $pattern, $message = '')  argument
681         if (!preg_match($pattern, $value)) {
683                 $message ?: 'The value %s does not match the expected pattern.',
684                 static::valueToString($value)
689     public static function notRegex($value, $pattern, $message = '')  argument
691         if (preg_match($pattern, $value, $matches, PREG_OFFSET_CAPTURE)) {
693                 $message ?: 'The value %s matches the pattern %s (at offset %d).',
694                 static::valueToString($value),
701     public static function alpha($value, $message = '')  argument
705         $valid = !ctype_alpha($value);
710                 $message ?: 'Expected a value to contain only letters. Got: %s',
711                 static::valueToString($value)
716     public static function digits($value, $message = '')  argument
720         $valid = !ctype_digit($value);
725                 $message ?: 'Expected a value to contain digits only. Got: %s',
726                 static::valueToString($value)
731     public static function alnum($value, $message = '')  argument
735         $valid = !ctype_alnum($value);
740                 $message ?: 'Expected a value to contain letters and digits only. Got: %s',
741                 static::valueToString($value)
746     public static function lower($value, $message = '')  argument
750         $valid = !ctype_lower($value);
755                 $message ?: 'Expected a value to contain lowercase characters only. Got: %s',
756                 static::valueToString($value)
761     public static function upper($value, $message = '')  argument
765         $valid = !ctype_upper($value);
770                 $message ?: 'Expected a value to contain uppercase characters only. Got: %s',
771                 static::valueToString($value)
776     public static function length($value, $length, $message = '')  argument
778         if ($length !== static::strlen($value)) {
780                 $message ?: 'Expected a value to contain %2$s characters. Got: %s',
781                 static::valueToString($value),
787     public static function minLength($value, $min, $message = '')  argument
789         if (static::strlen($value) < $min) {
791                 $message ?: 'Expected a value to contain at least %2$s characters. Got: %s',
792                 static::valueToString($value),
798     public static function maxLength($value, $max, $message = '')  argument
800         if (static::strlen($value) > $max) {
802                 $message ?: 'Expected a value to contain at most %2$s characters. Got: %s',
803                 static::valueToString($value),
809     public static function lengthBetween($value, $min, $max, $message = '')  argument
811         $length = static::strlen($value);
815                 $message ?: 'Expected a value to contain between %2$s and %3$s characters. Got: %s',
816                 static::valueToString($value),
823     public static function fileExists($value, $message = '')  argument
825         static::string($value);
827         if (!file_exists($value)) {
830                 static::valueToString($value)
835     public static function file($value, $message = '')  argument
837         static::fileExists($value, $message);
839         if (!is_file($value)) {
842                 static::valueToString($value)
847     public static function directory($value, $message = '')  argument
849         static::fileExists($value, $message);
851         if (!is_dir($value)) {
854                 static::valueToString($value)
859     public static function readable($value, $message = '')  argument
861         if (!is_readable($value)) {
864                 static::valueToString($value)
869     public static function writable($value, $message = '')  argument
871         if (!is_writable($value)) {
874                 static::valueToString($value)
879     public static function classExists($value, $message = '')  argument
881         if (!class_exists($value)) {
884                 static::valueToString($value)
889     public static function subclassOf($value, $class, $message = '')  argument
891         if (!is_subclass_of($value, $class)) {
894                 static::valueToString($value),
900     public static function interfaceExists($value, $message = '')  argument
902         if (!interface_exists($value)) {
905                 static::valueToString($value)
910     public static function implementsInterface($value, $interface, $message = '')  argument
912         if (!in_array($interface, class_implements($value))) {
915                 static::valueToString($value),
1050     public static function uuid($value, $message = '')  argument
1052         $value = str_replace(array('urn:', 'uuid:', '{', '}'), '', $value);
1056         if ('00000000-0000-0000-0000-000000000000' === $value) {
1060 …match('/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/', $value)) {
1062                 $message ?: 'Value %s is not a valid UUID.',
1063                 static::valueToString($value)
1124     protected static function valueToString($value)  argument
1126         if (null === $value) {
1130         if (true === $value) {
1134         if (false === $value) {
1138         if (is_array($value)) {
1142         if (is_object($value)) {
1143             if (method_exists($value, '__toString')) {
1144                 return get_class($value).': '.self::valueToString($value->__toString());
1147             return get_class($value);
1150         if (is_resource($value)) {
1154         if (is_string($value)) {
1155             return '"'.$value.'"';
1158         return (string) $value;
1161     protected static function typeToString($value)  argument
1163         return is_object($value) ? get_class($value) : gettype($value);
1166     protected static function strlen($value)  argument
1169             return strlen($value);
1172         if (false === $encoding = mb_detect_encoding($value)) {
1173             return strlen($value);
1176         return mb_strwidth($value, $encoding);