dealnews/constraints

Type constraint checking library

v3.0.0 2025-09-09 18:44 UTC

Requires

• php: ^8.2
• ext-mbstring: *

Requires (Dev)

• friendsofphp/php-cs-fixer: ^3.87
• php-parallel-lint/php-parallel-lint: ^1.4
• phpunit/phpunit: ^11

BSD-3-Clause

README

A library for testing primitive and abstract data types in PHP with type juggling.

Supported Primitive Types

• Integer
• String
• Array
• Double (aka float)
• Boolean
• Any defined PHP class

Supported Abstract Types

• Bytes
• US Currency
• Date
• DateTime
• Length
• Range
• Time
• URL
• URL Path
• Year

Extendable

The base Constraint class can be extended to add new abstract types.

Example

// A very simple example
$constraint = \DealNews\Constraints\Constraint::init();
$value = "1";
try {
    $value = $constraint->check($value, ["type" => "integer"]);
    // $value will now be integer 1
} catch (\DealNews\Constraints\ConstraintException $e) {
    echo $e->getMessage();
}