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Package validation-closures
Short Description Closures useful for validating data. Provides type validation amongst other filters.
License MIT
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Informations about the package validation-closures
Validation Closures
Closures useful for validating data. Provides type validation amongst other filters.
Installation
You can install this class via composer:
Usage
All closures are exposed as public static methods. For example, to use the Types\string() closure:
In the following documentation, all methods return a value of type boolean unless stated otherwise.
Ranges
The Ranges class contains methods to check if values are within a range. It contains the following methods:
stringWithLengthBetween(int $minimumLength, int $maximumLength): Test if a given string has a length within the range$minimumLength <= length <= $maximumLengthintBetween(int $minimum, int $maximum): Test if a given int is inside the range of$minimum <= int <= $maximumintBetweenExclusive(int $minimum, int $maximum): Test if a given int is inside the range of$minimum < int < $maximumfloatBetween(float $minimum, float $maximum): Identical tointBetween, except it tests on floats.floatBetweenExclusive(float $minimum, float $maximum): Identical tointBetweenExclusive, except it tests on floats.enum(...$allowedValues): Test if a given value exists inside$allowedValues, similar to an Enum type in other languages.typeEnum(...$allowedTypes): Test if a given value is of a type inside$allowedTypes.stringOneOf(...$allowedValues): Test if a given string exists inside$allowedValues.
Reflection
The Reflection class allows you to create closures out of all methods found in PHP's ReflectionClass.
It is most useful with the is* methods. For example, to create a closure for the implementsInterface method:
The Reflection class will take care of instantiating a ReflectionClass object automatically.
Types
The Types class contains methods to use for type validation. It contains the following methods:
string(): Test if a given value is a string.int(): Test if a given value is an integer.float(): Test if a given value is a float.boolean(): Test if a given value is a boolean.array(): Test if a given value is an array.callable(): Test if a given value is a callable function/method.object(): Test if a given value is an instantiated object.numeric(): Test if a given value is a numeric value. (see is_numeric in the PHP manual for details)instanceof(string $class): Test if a given value is an instance of the given class.
Utils
The Utils class contains methods to manipulate closures. It contains the following methods:
invert(\Closure $closure): \Closure: Invert a closure. For example,Types::string()inverted would pass all values which are not strings.merge(\Closure $closure1, \Closure $closure2): \Closure: Merge two closures together. The resulting closure will return true if either closure or both closures resolve(s) to true.both(\Closure $closure1, \Closure $closure2): \Closure: Merge two closures together. The resulting closure will return true only if both closures resolve to true.validateArray(\Closure $closure, array $values): bool: Tests if all values in a given array validate with the given closure. Returns false if 1 or more values do not validate, returns true if all elements validate.
License
This code is released under the MIT License. Please see LICENSE to read it.
