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<?php |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Resolves the WordPress site's configured timezone (Settings > General). |
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* |
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* wp_timezone() (WP 5.3+) already implements this; the fallback below |
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* replicates wp_timezone_string()'s logic (timezone_string option, else a |
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* fixed offset from gmt_offset) for older installs, since this plugin's |
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* readme declares WP 5.0 compatibility. |
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* |
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* Shared by every caller that needs to interpret or produce a WP-site-local |
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* calendar date/time as a true UTC epoch: redirect scheduling |
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* (RedirectScheduleTimezone) and feedback log-timestamp parsing |
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* (FeedbackEnvironmentExtras_DebugLogSignatures). Deliberately NOT used by |
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* LogTimestampFormatter, which needs a self-contained, never-throws, |
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* never-logs implementation to avoid recursing back into the logger it is |
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* formatting a timestamp for (see that class's docblock). |
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*/ |
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final class ABJ_404_Solution_SiteTimezone { |
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|
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/** |
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* @return DateTimeZone |
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*/ |
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public static function resolve(): DateTimeZone { |
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if (function_exists('wp_timezone')) { |
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return wp_timezone(); |
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} |
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|
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$timezoneStringRaw = function_exists('get_option') ? get_option('timezone_string') : ''; |
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$timezoneString = is_string($timezoneStringRaw) ? $timezoneStringRaw : ''; |
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$offsetRaw = function_exists('get_option') ? get_option('gmt_offset') : 0.0; |
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$offset = is_scalar($offsetRaw) ? (float)$offsetRaw : 0.0; |
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return self::resolveFallback($timezoneString, $offset); |
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} |
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|
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/** |
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* Pure computation half of the WP<5.3 fallback, split out so it is |
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* unit-testable without depending on wp_timezone()'s function_exists() |
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* state -- once a test stubs wp_timezone() via Brain\Monkey, Patchwork |
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* keeps it defined for the rest of that PHP process/worker (see |
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* .claude/rules/testing.md R6), so function_exists('wp_timezone') |
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* cannot be relied on to be false later in the same run. |
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* |
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* @param string $timezoneString get_option('timezone_string') value |
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* @param float $gmtOffset get_option('gmt_offset') value |
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* @return DateTimeZone |
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*/ |
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public static function resolveFallback(string $timezoneString, float $gmtOffset): DateTimeZone { |
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if ($timezoneString !== '') { |
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try { |
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return new DateTimeZone($timezoneString); |
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} catch (Exception $e) { |
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if (function_exists('abj_service_optional')) { |
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$logging = abj_service_optional('logging'); |
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if ($logging !== null) { |
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$logging->warn('SiteTimezone: invalid timezone_string option "' . |
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$timezoneString . '", falling back to gmt_offset: ' . $e->getMessage()); |
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} |
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} |
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// Falls through to the offset-based fallback below. |
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} |
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} |
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|
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$hours = (int)$gmtOffset; |
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$minutes = abs(($gmtOffset - (int)$gmtOffset) * 60); |
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return new DateTimeZone(sprintf('%+03d:%02d', $hours, $minutes)); |
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} |
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} |
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