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Package array-validation
Short Description Validate an array using rules from another array.
License MIT
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Informations about the package array-validation
Array Validation Library
This library allows for validation of an array using another array as a ruleset. Validation rules include requiring specific keys, specific types and specific values. When the validation fails, the library throws a normal Exception. For best results, also consider using our Array Sanitization library which will correct errors and force type corrections prior to validation.
Requirements
- PHP 5.5+
Installation
The easiest way to install this library is to use composer. To install, simply include the following in your file:
Or run the following command from a terminal or shell:
You can also specify version constraints, with more information available here.
Usage
This library utilizes PSR-4 autoloading, so make sure you include the library near the top of your class file:
How to use in your code:
Create Ruleset
Check an array against that ruleset
The validation process will return true or false and will throw an exception.
Advanced Rulesets
Many examples of rules can be found in the file.
Types
There are several different valid types for the values in the array they are as follows:
- String
- Integer
- Decimal
- Boolean
- Group (Multidimensional array)
Pattern Matching
You can specify basic regular expressions that can be used to access whether a value is valid or not.
Examples of pattern matching:
- [A-Z]{2} (match two capital letters)
- \d{5} (matches 5 digits)
- \d{5}-\d{4} (matches ZIP+4)
Built in patterns available for matching:
- URL
- IP Address (IPv4 or IPv6)
- MAC Address (Dashes, Colons or Dots)
- ISO 8601
Required Values
It is possible to set a key as being required or not, but it is also possible to adjust requirements based on the the values of the other keys. For example, a key could be required if the value of another key is equal to null or if another key has a specific value.
Here is an example from our ValidationTest.php file:
Under this example the following are true:
- Key 'a' is always required.
- Key 'b' is required when key 'a' is "banana".
- Key 'c' is required when ONE of the following is true:
- Key 'a' is "banana" and key 'b' is "orange"
- Key 'a' is "banana" and key 'b' is "carrot"
- Key 'a' is "pickle"
- Key 'b' is "banana"
Here you can see the required functionality can be made to be quite complex.
Specified Values
In some instances where you would only have a small subset of specific values that would be considered valid, you can specify those values in the ruleset by providing am array of valid values.
In the above example, key 'a' must be either "cat" or "dog". Note that this string comparison is case-insensitive!
Contributing
We appreciate all help in improving this library by either adding functions or improving existing functionality. If you do want to add to our library, please ensure you use PSR-2 formatting and add unit testing for all added functions.
Feel free to fork and submit a pull request!
License
MIT License
Copyright (c) 2017 - 2019 multidimension.al
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.