[PHP 8.1] preg_match(): Passing null to parameter

This is the technical support forum for WPML - the multilingual WordPress plugin.

Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.

Sun	Mon	Tue	Wed	Thu	Fri	Sat
-	9:00 – 13:00	9:00 – 13:00	9:00 – 13:00	9:00 – 13:00	9:00 – 13:00	-
-	14:00 – 18:00	14:00 – 18:00	14:00 – 18:00	14:00 – 18:00	14:00 – 18:00	-

Supporter timezone: Europe/Kyiv (GMT+03:00)

This topic contains 3 replies, has 2 voices.

Last updated by Andrey 1 year, 7 months ago.

Assisted by: Andrey.

Author	Posts
October 10, 2023 at 1:38 pm #14550611
alexanderB-16	Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /home/visitliptov/web/*****/public_html/wp-content/plugins/wpml-string-translation/classes/slug-translation/custom-types/wpml-st-slug-custom-type.php on line 69 Plugin Name Status Active Version WPML Multilingual CMS Installed Yes 4.6.6 WPML String Translation Installed Yes 3.2.8 WPML Media Installed No 2.7.3 WPML SEO Installed Yes 2.1.0 PHP Version 8.1.2 Memory limit 1024M Memory usage 36.48 MB Max execution time 300 Max input vars 1000 Utf8mb4 charset Áno SimpleXML extension Loaded Multibyte String extension Loaded WordPress Version 6.3.1 Multisite Nie Memory limit 1024M Max memory limit 1024M
October 10, 2023 at 3:50 pm #14552265
Andrey WPML Supporter since 06/2013 Languages: English (English ) Russian (Русский ) Timezone: Europe/Kyiv (GMT+03:00)	Are you getting this notification on the specific page? If you have such a possibility, what results will be if you temporarily deactivate all the plugins except WPML? Please back up your database before making any changes.
October 17, 2023 at 7:26 am #14590419
alexanderB-16	New version wpml string trnslation is bad code, correct is still old: /wpml-string-translation/classes/slug-translation/custom-types/wpml-st-slug-custom-type.php on line 69 public function is_using_tags() { $pattern = '#%([^/]+)%#'; $slug = $this->slug ? $this->slug : ''; $slug_translation = $this->slug_translation ? $this->slug_translation : ''; return preg_match( $pattern, $slug ) \|\| preg_match( $pattern, $slug_translation ); } My error is show if $this->slug is empty ... please fix it.
October 17, 2023 at 7:32 pm #14597675
Andrey WPML Supporter since 06/2013 Languages: English (English ) Russian (Русский ) Timezone: Europe/Kyiv (GMT+03:00)	Thank you for the update. I wasn't able to replicate this on the fresh installation. On the local installation, I have added a custom post type and left the slug translation empty in WPML → Settings → Custom Post Type translation. Could you help me to replicate it? In the next private reply, you will find the link to the staging site.

The topic ‘[Closed] [PHP 8.1] preg_match(): Passing null to parameter’ is closed to new replies.