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PHP code example of jimbo2150 / php-comparable

1. Go to this page and download the library: Download jimbo2150/php-comparable library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

jimbo2150 / php-comparable example snippets


use Jimbo2150\PhpComparable\Trait\ComparableTrait;

// This class will compare the Person object's $age property.
class Person
{
	use ComparableTrait;

	public function __construct(private string $name, private int $age)
	{
		assert($age > 0);
	}

	public function getComparableValue(): mixed
	{
		return $this->age;
	}
}

$john = new Person('John', 29);
$karen = new Person('Karen', 24);

$john->compareTo($karen); // False, compares by equals (==) by default
$karen->compareTo($john, Operator::from('<')); // True, comparing with less than


use Jimbo2150\PhpComparable\Trait\ComparableTrait;

class Score
{
	use ComparableTrait;

	public const MIN_REQUIRED_SCORE = 1;

	public function __construct(private float $score)
	{
	}

	public function compareDiff(object $other): bool|int
	{
		$operator = Operator::GREATER_THAN_OR_EQUAL;
		$diffFunction = fn (
			mixed $leftValue,
			mixed $rightValue,
			Operator $operator,
		): bool|int => $operator->compare(
			$leftValue - $rightValue,
			self::MIN_REQUIRED_SCORE
		);

		return $this->customCompareTo(
			$diffFunction,
			$other,
			$operator
		);
	}

	public function getComparableValue(): mixed
	{
		return $this->score;
	}
}

$score1 = new Score(2.4);
$score2 = new Score(0.7);
$score3 = new Score(0.2);

$score1->compareDiff($score2); // True, score is >= 1
$score2->compareDiff($score3); // False, score is less than 1

bash
$ composer