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<?php
declare(strict_types=1);
/**
* Logic to work with (JSON) attributes (for entries, feeds, categories, tags...).
*/
trait FreshRSS_AttributesTrait {
/**
* @var array<string,mixed>
*/
private array $attributes = [];
/** @return array<string,mixed> */
public function attributes(): array {
return $this->attributes;
}
/** @param non-empty-string $key */
public function hasAttribute(string $key): bool {
return isset($this->attributes[$key]);
}
/**
* @param non-empty-string $key
* @return array<int|string,mixed>|null
*/
public function attributeArray(string $key): ?array {
$a = $this->attributes[$key] ?? null;
return is_array($a) ? $a : null;
}
/** @param non-empty-string $key */
public function attributeBoolean(string $key): ?bool {
$a = $this->attributes[$key] ?? null;
return is_bool($a) ? $a : null;
}
/** @param non-empty-string $key */
public function attributeInt(string $key): ?int {
$a = $this->attributes[$key] ?? null;
return is_int($a) ? $a : null;
}
/** @param non-empty-string $key */
public function attributeString(string $key): ?string {
$a = $this->attributes[$key] ?? null;
return is_string($a) ? $a : null;
}
/** @param string|array<string,mixed> $values Values, not HTML-encoded */
public function _attributes(string|array $values): void {
if (is_string($values)) {
$values = json_decode($values, true);
}
if (is_array($values)) {
$values = array_filter($values, 'is_string', ARRAY_FILTER_USE_KEY);
$this->attributes = $values;
}
}
/**
* @param non-empty-string $key
* @param array<string,mixed>|mixed|null $value Value, not HTML-encoded
*/
public function _attribute(string $key, $value = null): void {
if ($value === null) {
unset($this->attributes[$key]);
} else {
$this->attributes[$key] = $value;
}
}
}
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