Completed
Push — master ( b6d955...929034 )
by Marcus
02:03
created

InKeys::__invoke()   A

Complexity

Conditions 3
Paths 2

Size

Total Lines 10

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3

Importance

Changes 0
Metric Value
dl 0
loc 10
ccs 5
cts 5
cp 1
rs 9.9332
c 0
b 0
f 0
cc 3
nc 2
nop 2
crap 3
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<?php
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namespace Mbright\Validation\Rule\Validate;
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class InKeys implements ValidateRuleInterface
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{
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    /** @var array */
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    protected $array;
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    /**
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     * @param array $array An array of key-value pairs; the value must match one of the keys in this array.
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     */
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    public function __construct(array $array)
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    {
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        $this->array = $array;
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    }
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    /**
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     * Validates that the value is a key in a given array.
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     *
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     * @param object $subject The subject to be filtered.
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     * @param string $field The subject field name.
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     *
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     * @return bool True if valid, false if not.
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     */
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    public function __invoke($subject, string $field): bool
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    {
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        $value = $subject->$field;
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        if (!is_string($value) && !is_int($value)) {
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            // array_key_exists errors on non-string non-int keys.
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            return false;
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        }
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        // using array_keys() converts string numeric keys to integers, which is *not* the behavior we want.
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        return array_key_exists($subject->$field, $this->array);
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    }
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}
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