Mbright\Validation\Rule\Validate\StrictEqualToField

Complexity

Total Complexity

3

Size/Duplication

Total Lines	31
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	__invoke()	0	8	2

<?php

namespace Mbright\Validation\Rule\Validate;

class StrictEqualToField implements ValidateRuleInterface
{
    /** @var string */
    protected $otherField;

    /**
     * @param string $otherField Check against the value of this element in $subject.
     */
    public function __construct(string $otherField)
    {
        $this->otherField = $otherField;
    }

    /**
     * Validates that this value is strictly equal to some other subject field.
     *
     * If the other element does not exist in $subject, or is null, the validation will fail.
     *
     * @param object $subject The subject to be filtered.
     * @param string $field The subject field name.
     *
     * @return bool True if the values are equal, false if not equal.
     */
    public function __invoke($subject, string $field): bool
    {
        // the other field needs to exist and *not* be null
        if (! isset($subject->{$this->otherField})) {
            return false;
        }

        return $subject->$field === $subject->{$this->otherField};
    }
}