Is Timeline Express compatible with PHP 8.4 and 8.5?

Works on PHP 8.0–8.5, with deprecation notices from 8.0

No removed PHP features found in Timeline Express 1.8.1. It uses 15 deprecated feature(s) that only log notices today.

PHP 8.0

⚠ 2

PHP 8.1

⚠ 15

PHP 8.2

⚠ 15

PHP 8.3

⚠ 15

PHP 8.4

⚠ 15

PHP 8.5

⚠ 15

✓ no problems · ⚠ deprecation notices only (still works) · ✗ uses something removed in that PHP version

Not updated for 3.6 years. Nobody seems to maintain this plugin, so problems found here are unlikely to be fixed. If your site uses it, look for a maintained alternative before upgrading PHP.

Check your whole site, not just one plugin. The free PHP Upgrade Check plugin scans every plugin and theme you have installed (including premium and custom ones) and explains each problem. It runs on any host.

Deprecated (works today, logs notices)

File:line	What
`lib/admin/CMB2/includes/helper-functions.php:387`	Function strptime() is deprecated since PHP 8.1; Use date_parse_from_format() or IntlDateFormatter::parse() instead
`lib/admin/CMB2/includes/rest-api/CMB2_REST.php:693`	Declaring an optional parameter before a required parameter is deprecated since PHP 8.0. Parameter $type is optional, while parameter $field_id is required. The $type parameter is implicitly treated as a required parameter.
`lib/admin/CMB2/includes/types/CMB2_Type_Multi_Base.php:34`	Declaring an optional parameter before a required parameter is deprecated since PHP 8.0. Parameter $args is optional, while parameter $i is required. The $args parameter is implicitly treated as a required parameter.
`lib/admin/pages/page.options.php:22`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-2-week-notice.php:77`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:230`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:249`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:422`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:626`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:632`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:708`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:719`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-admin.php:825`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-blocks.php:64`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1
`lib/classes/class-timeline-express-blocks.php:65`	The constant "FILTER_SANITIZE_STRING" is deprecated since PHP 8.1

Plugin page on WordPress.org: timeline-express