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<?php
namespace Elementor\Modules\AtomicWidgets;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
class Cache_Validity {
const CACHE_KEY_PREFIX = 'elementor_atomic_cache_validity-';
public function is_valid( array $keys ): bool {
$root = array_shift( $keys );
$state_item = get_option( self::CACHE_KEY_PREFIX . $root, null );
if ( ! empty( $keys ) ) {
if ( ! $state_item ) {
return false;
}
$state_item = $this->get_nested_item( $state_item, $keys );
}
return $state_item ? $state_item['state'] : false;
}
public function get_meta( array $keys ) {
$root = array_shift( $keys );
$state_item = get_option( self::CACHE_KEY_PREFIX . $root, null );
if ( ! $state_item ) {
return null;
}
$state_item = $this->get_nested_item( $state_item, $keys );
return isset( $state_item['meta'] ) ? $state_item['meta'] : null;
}
public function invalidate( array $keys ): void {
$root = array_shift( $keys );
$state_item = get_option( self::CACHE_KEY_PREFIX . $root, [
'state' => false,
'meta' => null,
'children' => [],
] );
$current_item = &$state_item;
if ( ! empty( $keys ) ) {
$current_item = &$this->get_nested_item( $current_item, $keys );
}
$current_item['state'] = false;
$current_item['meta'] = null;
$this->invalidate_nested_items( $current_item );
update_option( self::CACHE_KEY_PREFIX . $root, $state_item );
}
public function validate( array $keys, $meta = null ): void {
$root = array_shift( $keys );
$state_item = get_option( self::CACHE_KEY_PREFIX . $root, [
'state' => false,
'children' => [],
] );
$current_item = &$state_item;
if ( ! empty( $keys ) ) {
$current_item = &$this->get_nested_item( $current_item, $keys );
}
$current_item['state'] = true;
$current_item['meta'] = $meta;
update_option( self::CACHE_KEY_PREFIX . $root, $state_item );
}
/**
* @param array{state: boolean, meta: array<string, mixed> | null, children: array<string, self>} $root_item
* @param array<string> $keys
* @return array{state: boolean, meta: array<string, mixed> | null, children: array<string, self>}
*/
private function &get_nested_item( array &$root_item, array $keys ): array {
$current_item = &$root_item;
while ( ! empty( $keys ) ) {
$key = array_shift( $keys );
if ( ! isset( $current_item['children'][ $key ] ) ) {
$current_item['children'][ $key ] = [
'state' => false,
'meta' => null,
'children' => [],
];
}
$current_item = &$current_item['children'][ $key ];
}
return $current_item;
}
private function invalidate_nested_items( array &$root_item ): void {
foreach ( $root_item['children'] as &$child_item ) {
$child_item['state'] = false;
$child_item['meta'] = null;
$this->invalidate_nested_items( $child_item );
}
}
}
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