webmozart /
assert
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Assert often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Assert, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 191 | class Assert |
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Coding Style
introduced
by
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| 192 | { |
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| 193 | 94 | public static function string($value, $message = '') |
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| 202 | |||
| 203 | 16 | public static function stringNotEmpty($value, $message = '') |
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| 208 | |||
| 209 | 17 | public static function integer($value, $message = '') |
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| 218 | |||
| 219 | 16 | public static function integerish($value, $message = '') |
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| 228 | |||
| 229 | 16 | public static function float($value, $message = '') |
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| 238 | |||
| 239 | 20 | public static function numeric($value, $message = '') |
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| 248 | |||
| 249 | 24 | public static function natural($value, $message = '') |
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| 250 | { |
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| 251 | 24 | if (!is_int($value) || $value < 0) { |
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| 252 | 16 | static::reportInvalidArgument(sprintf( |
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| 253 | 16 | $message ?: 'Expected a non-negative integer. Got %s', |
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| 254 | 16 | static::valueToString($value) |
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| 255 | )); |
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| 256 | } |
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| 257 | 8 | } |
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| 258 | |||
| 259 | 16 | public static function boolean($value, $message = '') |
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| 268 | |||
| 269 | 23 | public static function scalar($value, $message = '') |
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| 278 | |||
| 279 | 23 | public static function object($value, $message = '') |
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| 288 | |||
| 289 | 16 | public static function resource($value, $type = null, $message = '') |
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| 306 | |||
| 307 | 20 | public static function isCallable($value, $message = '') |
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| 316 | |||
| 317 | 20 | public static function isArray($value, $message = '') |
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| 326 | |||
| 327 | /** |
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| 328 | * @deprecated |
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| 329 | */ |
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| 330 | public static function isTraversable($value, $message = '') |
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| 347 | |||
| 348 | 20 | View Code Duplication | public static function isArrayAccessible($value, $message = '') |
| 357 | |||
| 358 | 24 | View Code Duplication | public static function isCountable($value, $message = '') |
| 367 | |||
| 368 | 768 | View Code Duplication | public static function isIterable($value, $message = '') |
| 377 | |||
| 378 | 16 | public static function isInstanceOf($value, $class, $message = '') |
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| 388 | |||
| 389 | 16 | public static function notInstanceOf($value, $class, $message = '') |
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| 399 | |||
| 400 | 20 | public static function isInstanceOfAny($value, array $classes, $message = '') |
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| 414 | |||
| 415 | 23 | public static function isEmpty($value, $message = '') |
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| 424 | |||
| 425 | 23 | public static function notEmpty($value, $message = '') |
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| 434 | |||
| 435 | 11 | public static function null($value, $message = '') |
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| 436 | { |
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| 437 | 11 | if (null !== $value) { |
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| 438 | 8 | static::reportInvalidArgument(sprintf( |
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| 439 | 8 | $message ?: 'Expected null. Got: %s', |
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| 440 | 8 | static::valueToString($value) |
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| 441 | )); |
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| 442 | } |
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| 443 | 3 | } |
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| 444 | |||
| 445 | 11 | public static function notNull($value, $message = '') |
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| 453 | |||
| 454 | 15 | public static function true($value, $message = '') |
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| 455 | { |
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| 456 | 15 | if (true !== $value) { |
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| 457 | 11 | static::reportInvalidArgument(sprintf( |
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| 458 | 11 | $message ?: 'Expected a value to be true. Got: %s', |
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| 459 | 11 | static::valueToString($value) |
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| 460 | )); |
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| 461 | } |
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| 462 | 4 | } |
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| 463 | |||
| 464 | 19 | public static function false($value, $message = '') |
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| 465 | { |
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| 466 | 19 | if (false !== $value) { |
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| 467 | 15 | static::reportInvalidArgument(sprintf( |
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| 468 | 15 | $message ?: 'Expected a value to be false. Got: %s', |
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| 469 | 15 | static::valueToString($value) |
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| 470 | )); |
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| 471 | } |
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| 472 | 4 | } |
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| 473 | |||
| 474 | 47 | View Code Duplication | public static function ip($value, $message = '') |
| 483 | |||
| 484 | 47 | View Code Duplication | public static function ipv4($value, $message = '') |
| 493 | |||
| 494 | 47 | View Code Duplication | public static function ipv6($value, $message = '') |
| 503 | |||
| 504 | 16 | View Code Duplication | public static function email($value, $message = '') |
| 505 | { |
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| 506 | 16 | if (false === filter_var($value, FILTER_VALIDATE_EMAIL)) { |
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| 507 | 12 | static::reportInvalidArgument(sprintf( |
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| 508 | 12 | $message ?: 'Expected a value to be a valid e-mail address. Got %s', |
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| 509 | 12 | static::valueToString($value) |
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| 510 | )); |
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| 511 | } |
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| 512 | 4 | } |
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| 513 | |||
| 514 | 12 | public static function uniqueValues(array $values, $message = '') |
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| 515 | { |
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| 516 | 12 | $allValues = count($values); |
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| 517 | 12 | $uniqueValues = count(array_unique($values)); |
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| 518 | |||
| 519 | 12 | if ($allValues !== $uniqueValues) { |
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| 520 | 8 | $difference = $allValues - $uniqueValues; |
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| 521 | |||
| 522 | 8 | static::reportInvalidArgument(sprintf( |
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| 523 | 8 | $message ?: 'Expected an array of unique values, but %s of them %s duplicated', |
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| 524 | $difference, |
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| 525 | 8 | (1 === $difference ? 'is' : 'are') |
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| 526 | )); |
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| 527 | } |
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| 528 | 4 | } |
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| 529 | |||
| 530 | 33 | public static function eq($value, $expect, $message = '') |
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| 531 | { |
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| 532 | 33 | if ($expect != $value) { |
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| 533 | 17 | static::reportInvalidArgument(sprintf( |
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| 534 | 17 | $message ?: 'Expected a value equal to %2$s. Got: %s', |
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| 535 | 17 | static::valueToString($value), |
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| 536 | 17 | static::valueToString($expect) |
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| 537 | )); |
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| 538 | } |
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| 539 | 16 | } |
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| 540 | |||
| 541 | 28 | public static function notEq($value, $expect, $message = '') |
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| 542 | { |
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| 543 | 28 | if ($expect == $value) { |
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| 544 | 16 | static::reportInvalidArgument(sprintf( |
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| 545 | 16 | $message ?: 'Expected a different value than %s.', |
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| 546 | 16 | static::valueToString($expect) |
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| 547 | )); |
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| 548 | } |
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| 549 | 12 | } |
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| 550 | |||
| 551 | 16 | public static function same($value, $expect, $message = '') |
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| 552 | { |
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| 553 | 16 | if ($expect !== $value) { |
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| 554 | 12 | static::reportInvalidArgument(sprintf( |
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| 555 | 12 | $message ?: 'Expected a value identical to %2$s. Got: %s', |
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| 556 | 12 | static::valueToString($value), |
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| 557 | 12 | static::valueToString($expect) |
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| 558 | )); |
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| 559 | } |
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| 560 | 4 | } |
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| 561 | |||
| 562 | 16 | public static function notSame($value, $expect, $message = '') |
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| 563 | { |
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| 564 | 16 | if ($expect === $value) { |
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| 565 | 4 | static::reportInvalidArgument(sprintf( |
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| 566 | 4 | $message ?: 'Expected a value not identical to %s.', |
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| 567 | 4 | static::valueToString($expect) |
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| 568 | )); |
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| 569 | } |
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| 570 | 12 | } |
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| 571 | |||
| 572 | 8 | public static function greaterThan($value, $limit, $message = '') |
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| 573 | { |
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| 574 | 8 | if ($value <= $limit) { |
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| 575 | 4 | static::reportInvalidArgument(sprintf( |
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| 576 | 4 | $message ?: 'Expected a value greater than %2$s. Got: %s', |
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| 577 | 4 | static::valueToString($value), |
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| 578 | 4 | static::valueToString($limit) |
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| 579 | )); |
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| 580 | } |
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| 581 | 4 | } |
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| 582 | |||
| 583 | 12 | public static function greaterThanEq($value, $limit, $message = '') |
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| 584 | { |
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| 585 | 12 | if ($value < $limit) { |
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| 586 | 4 | static::reportInvalidArgument(sprintf( |
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| 587 | 4 | $message ?: 'Expected a value greater than or equal to %2$s. Got: %s', |
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| 588 | 4 | static::valueToString($value), |
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| 589 | 4 | static::valueToString($limit) |
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| 590 | )); |
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| 591 | } |
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| 592 | 8 | } |
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| 593 | |||
| 594 | 8 | public static function lessThan($value, $limit, $message = '') |
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| 595 | { |
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| 596 | 8 | if ($value >= $limit) { |
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| 597 | 4 | static::reportInvalidArgument(sprintf( |
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| 598 | 4 | $message ?: 'Expected a value less than %2$s. Got: %s', |
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| 599 | 4 | static::valueToString($value), |
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| 600 | 4 | static::valueToString($limit) |
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| 601 | )); |
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| 602 | } |
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| 603 | 4 | } |
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| 604 | |||
| 605 | 12 | public static function lessThanEq($value, $limit, $message = '') |
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| 606 | { |
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| 607 | 12 | if ($value > $limit) { |
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| 608 | 4 | static::reportInvalidArgument(sprintf( |
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| 609 | 4 | $message ?: 'Expected a value less than or equal to %2$s. Got: %s', |
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| 610 | 4 | static::valueToString($value), |
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| 611 | 4 | static::valueToString($limit) |
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| 612 | )); |
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| 613 | } |
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| 614 | 8 | } |
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| 615 | |||
| 616 | 16 | View Code Duplication | public static function range($value, $min, $max, $message = '') |
| 617 | { |
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| 618 | 16 | if ($value < $min || $value > $max) { |
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| 619 | 8 | static::reportInvalidArgument(sprintf( |
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| 620 | 8 | $message ?: 'Expected a value between %2$s and %3$s. Got: %s', |
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| 621 | 8 | static::valueToString($value), |
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| 622 | 8 | static::valueToString($min), |
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| 623 | 8 | static::valueToString($max) |
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| 624 | )); |
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| 625 | } |
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| 626 | 8 | } |
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| 627 | |||
| 628 | 8 | public static function oneOf($value, array $values, $message = '') |
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| 629 | { |
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| 630 | 8 | if (!in_array($value, $values, true)) { |
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| 631 | 4 | static::reportInvalidArgument(sprintf( |
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| 632 | 4 | $message ?: 'Expected one of: %2$s. Got: %s', |
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| 633 | 4 | static::valueToString($value), |
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| 634 | 4 | implode(', ', array_map(array('static', 'valueToString'), $values)) |
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| 635 | )); |
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| 636 | } |
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| 637 | 4 | } |
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| 638 | |||
| 639 | 20 | View Code Duplication | public static function contains($value, $subString, $message = '') |
| 640 | { |
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| 641 | 20 | if (false === strpos($value, $subString)) { |
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| 642 | 8 | static::reportInvalidArgument(sprintf( |
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| 643 | 8 | $message ?: 'Expected a value to contain %2$s. Got: %s', |
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| 644 | 8 | static::valueToString($value), |
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| 645 | 8 | static::valueToString($subString) |
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| 646 | )); |
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| 647 | } |
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| 648 | 12 | } |
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| 649 | |||
| 650 | 20 | View Code Duplication | public static function notContains($value, $subString, $message = '') |
| 651 | { |
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| 652 | 20 | if (false !== strpos($value, $subString)) { |
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| 653 | 12 | static::reportInvalidArgument(sprintf( |
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| 654 | 12 | $message ?: '%2$s was not expected to be contained in a value. Got: %s', |
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| 655 | 12 | static::valueToString($value), |
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| 656 | 12 | static::valueToString($subString) |
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| 657 | )); |
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| 658 | } |
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| 659 | 8 | } |
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| 660 | |||
| 661 | 40 | public static function notWhitespaceOnly($value, $message = '') |
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| 662 | { |
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| 663 | 40 | if (preg_match('/^\s*$/', $value)) { |
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| 664 | 24 | static::reportInvalidArgument(sprintf( |
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| 665 | 24 | $message ?: 'Expected a non-whitespace string. Got: %s', |
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| 666 | 24 | static::valueToString($value) |
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| 667 | )); |
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| 668 | } |
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| 669 | 16 | } |
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| 670 | |||
| 671 | 12 | View Code Duplication | public static function startsWith($value, $prefix, $message = '') |
| 672 | { |
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| 673 | 12 | if (0 !== strpos($value, $prefix)) { |
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| 674 | 8 | static::reportInvalidArgument(sprintf( |
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| 675 | 8 | $message ?: 'Expected a value to start with %2$s. Got: %s', |
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| 676 | 8 | static::valueToString($value), |
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| 677 | 8 | static::valueToString($prefix) |
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| 678 | )); |
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| 679 | } |
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| 680 | 4 | } |
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| 681 | |||
| 682 | 24 | public static function startsWithLetter($value, $message = '') |
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| 683 | { |
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| 684 | 24 | $valid = isset($value[0]); |
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| 685 | |||
| 686 | 24 | if ($valid) { |
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| 687 | 20 | $locale = setlocale(LC_CTYPE, 0); |
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| 688 | 20 | setlocale(LC_CTYPE, 'C'); |
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| 689 | 20 | $valid = ctype_alpha($value[0]); |
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| 690 | 20 | setlocale(LC_CTYPE, $locale); |
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| 691 | } |
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| 692 | |||
| 693 | 24 | if (!$valid) { |
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| 694 | 12 | static::reportInvalidArgument(sprintf( |
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| 695 | 12 | $message ?: 'Expected a value to start with a letter. Got: %s', |
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| 696 | 12 | static::valueToString($value) |
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| 697 | )); |
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| 698 | } |
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| 699 | 12 | } |
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| 700 | |||
| 701 | 12 | View Code Duplication | public static function endsWith($value, $suffix, $message = '') |
| 702 | { |
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| 703 | 12 | if ($suffix !== substr($value, -static::strlen($suffix))) { |
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| 704 | 8 | static::reportInvalidArgument(sprintf( |
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| 705 | 8 | $message ?: 'Expected a value to end with %2$s. Got: %s', |
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| 706 | 8 | static::valueToString($value), |
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| 707 | 8 | static::valueToString($suffix) |
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| 708 | )); |
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| 709 | } |
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| 710 | 4 | } |
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| 711 | |||
| 712 | 12 | public static function regex($value, $pattern, $message = '') |
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| 713 | { |
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| 714 | 12 | if (!preg_match($pattern, $value)) { |
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| 715 | 8 | static::reportInvalidArgument(sprintf( |
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| 716 | 8 | $message ?: 'The value %s does not match the expected pattern.', |
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| 717 | 8 | static::valueToString($value) |
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| 718 | )); |
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| 719 | } |
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| 720 | 4 | } |
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| 721 | |||
| 722 | 12 | public static function notRegex($value, $pattern, $message = '') |
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| 723 | { |
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| 724 | 12 | if (preg_match($pattern, $value, $matches, PREG_OFFSET_CAPTURE)) { |
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| 725 | 4 | static::reportInvalidArgument(sprintf( |
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| 726 | 4 | $message ?: 'The value %s matches the pattern %s (at offset %d).', |
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| 727 | 4 | static::valueToString($value), |
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| 728 | 4 | static::valueToString($pattern), |
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| 729 | 4 | $matches[0][1] |
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| 730 | )); |
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| 731 | } |
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| 732 | 8 | } |
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| 733 | |||
| 734 | 12 | View Code Duplication | public static function alpha($value, $message = '') |
| 748 | |||
| 749 | 12 | View Code Duplication | public static function digits($value, $message = '') |
| 763 | |||
| 764 | 12 | View Code Duplication | public static function alnum($value, $message = '') |
| 778 | |||
| 779 | 16 | View Code Duplication | public static function lower($value, $message = '') |
| 793 | |||
| 794 | 16 | View Code Duplication | public static function upper($value, $message = '') |
| 808 | |||
| 809 | 36 | public static function length($value, $length, $message = '') |
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| 819 | |||
| 820 | 36 | public static function minLength($value, $min, $message = '') |
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| 821 | { |
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| 822 | 36 | if (static::strlen($value) < $min) { |
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| 823 | 12 | static::reportInvalidArgument(sprintf( |
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| 824 | 12 | $message ?: 'Expected a value to contain at least %2$s characters. Got: %s', |
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| 825 | 12 | static::valueToString($value), |
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| 826 | $min |
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| 827 | )); |
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| 828 | } |
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| 829 | 24 | } |
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| 830 | |||
| 831 | 36 | public static function maxLength($value, $max, $message = '') |
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| 832 | { |
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| 833 | 36 | if (static::strlen($value) > $max) { |
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| 834 | 12 | static::reportInvalidArgument(sprintf( |
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| 835 | 12 | $message ?: 'Expected a value to contain at most %2$s characters. Got: %s', |
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| 836 | 12 | static::valueToString($value), |
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| 837 | $max |
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| 838 | )); |
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| 839 | } |
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| 840 | 24 | } |
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| 841 | |||
| 842 | 60 | View Code Duplication | public static function lengthBetween($value, $min, $max, $message = '') |
| 855 | |||
| 856 | 36 | public static function fileExists($value, $message = '') |
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| 867 | |||
| 868 | 12 | View Code Duplication | public static function file($value, $message = '') |
| 879 | |||
| 880 | 12 | View Code Duplication | public static function directory($value, $message = '') |
| 891 | |||
| 892 | public static function readable($value, $message = '') |
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| 893 | { |
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| 894 | if (!is_readable($value)) { |
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| 895 | static::reportInvalidArgument(sprintf( |
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| 896 | $message ?: 'The path %s is not readable.', |
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| 897 | static::valueToString($value) |
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| 898 | )); |
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| 899 | } |
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| 900 | } |
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| 901 | |||
| 902 | public static function writable($value, $message = '') |
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| 903 | { |
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| 904 | if (!is_writable($value)) { |
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| 905 | static::reportInvalidArgument(sprintf( |
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| 906 | $message ?: 'The path %s is not writable.', |
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| 907 | static::valueToString($value) |
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| 908 | )); |
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| 909 | } |
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| 910 | } |
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| 911 | |||
| 912 | 8 | public static function classExists($value, $message = '') |
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| 913 | { |
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| 914 | 8 | if (!class_exists($value)) { |
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| 915 | 4 | static::reportInvalidArgument(sprintf( |
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| 916 | 4 | $message ?: 'Expected an existing class name. Got: %s', |
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| 917 | 4 | static::valueToString($value) |
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| 918 | )); |
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| 919 | } |
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| 920 | 4 | } |
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| 921 | |||
| 922 | 8 | public static function subclassOf($value, $class, $message = '') |
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| 932 | |||
| 933 | 8 | public static function interfaceExists($value, $message = '') |
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| 934 | { |
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| 935 | 8 | if (!interface_exists($value)) { |
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| 936 | 4 | static::reportInvalidArgument(sprintf( |
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| 937 | 4 | $message ?: 'Expected an existing interface name. got %s', |
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| 938 | 4 | static::valueToString($value) |
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| 939 | )); |
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| 940 | } |
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| 941 | 4 | } |
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| 942 | |||
| 943 | 8 | View Code Duplication | public static function implementsInterface($value, $interface, $message = '') |
| 953 | |||
| 954 | 12 | View Code Duplication | public static function propertyExists($classOrObject, $property, $message = '') |
| 963 | |||
| 964 | 12 | View Code Duplication | public static function propertyNotExists($classOrObject, $property, $message = '') |
| 973 | |||
| 974 | 27 | View Code Duplication | public static function methodExists($classOrObject, $method, $message = '') |
| 983 | |||
| 984 | 27 | View Code Duplication | public static function methodNotExists($classOrObject, $method, $message = '') |
| 993 | |||
| 994 | 12 | View Code Duplication | public static function keyExists($array, $key, $message = '') |
| 1003 | |||
| 1004 | 12 | View Code Duplication | public static function keyNotExists($array, $key, $message = '') |
| 1013 | |||
| 1014 | 8 | public static function count($array, $number, $message = '') |
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| 1022 | |||
| 1023 | 12 | View Code Duplication | public static function minCount($array, $min, $message = '') |
| 1033 | |||
| 1034 | 12 | View Code Duplication | public static function maxCount($array, $max, $message = '') |
| 1044 | |||
| 1045 | 20 | public static function countBetween($array, $min, $max, $message = '') |
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| 1058 | |||
| 1059 | 24 | public static function isList($array, $message = '') |
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| 1067 | |||
| 1068 | 16 | public static function isMap($array, $message = '') |
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| 1082 | |||
| 1083 | 56 | public static function uuid($value, $message = '') |
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| 1100 | |||
| 1101 | 24 | public static function throws(Closure $expression, $class = 'Exception', $message = '') |
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| 1127 | |||
| 1128 | 1217 | public static function __callStatic($name, $arguments) |
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| 1156 | |||
| 1157 | 570 | protected static function valueToString($value) |
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| 1193 | |||
| 1194 | 169 | protected static function typeToString($value) |
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| 1198 | |||
| 1199 | 180 | protected static function strlen($value) |
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| 1211 | |||
| 1212 | 794 | protected static function reportInvalidArgument($message) |
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| 1216 | |||
| 1217 | private function __construct() |
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| 1220 | } |
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| 1221 |
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