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<?php |
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declare(strict_types=1); |
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namespace AbterPhp\Framework\Html; |
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class Attribute |
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{ |
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protected string $key; |
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/** @var null|array<string,string> */ |
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protected ?array $values = null; |
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/** |
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* Attribute constructor. |
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* |
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* @param string $key |
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* @param string ...$values |
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*/ |
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public function __construct(string $key, string ...$values) |
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{ |
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$this->key = $key; |
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$this->append(...$values); |
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} |
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/** |
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* @param string ...$values |
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* |
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* @return $this |
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*/ |
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public function set(string ...$values): self |
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{ |
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$this->values = []; |
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return $this->unsafeSet(...$values); |
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} |
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/** |
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* @param string ...$values |
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* |
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* @return $this |
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*/ |
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public function append(string ...$values): self |
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{ |
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if (!$values) { |
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return $this; |
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} |
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if ($this->values === null) { |
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$this->values = []; |
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} |
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return $this->unsafeSet(...$values); |
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} |
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/** |
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* @param string ...$values |
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* |
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* @return $this |
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*/ |
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private function unsafeSet(string ...$values): self |
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{ |
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foreach ($values as $part) { |
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if (empty($part)) { |
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continue; |
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} |
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$this->values[$part] = $part; |
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} |
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return $this; |
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} |
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/** |
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* @param string ...$value |
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* |
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* @return int |
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*/ |
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public function remove(string ...$value): int |
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{ |
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$count = 0; |
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foreach ($value as $key) { |
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if (!array_key_exists($key, $this->values)) { |
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continue; |
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} |
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unset($this->values[$key]); |
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$count++; |
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} |
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return $count; |
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} |
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/** |
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* @return $this |
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*/ |
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public function reset(): self |
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{ |
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$this->values = null; |
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return $this; |
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} |
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/** |
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* @return string[]|null |
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*/ |
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public function getValues(): ?array |
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{ |
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if (null === $this->values) { |
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return null; |
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} |
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return array_values($this->values); |
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} |
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/** |
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* @return string |
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*/ |
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public function getKey(): string |
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{ |
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return $this->key; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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if ($this->values === null) { |
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return $this->key; |
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} |
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return sprintf('%s="%s"', $this->key, join(" ", $this->values)); |
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} |
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} |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)
or! empty(...)
instead.