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goran468
(@goran468)

4 months, 2 weeks ago
Hello.

PHP 8.3.9 (but exists in other versions too).

The warning appears after parsing $wp_rewrite->wp_rewrite_rules();

Warning: preg_match(): Unknown modifier ‘w’

After some debug I found that it is caused by
\yith-woocommerce-wishlist\includes\class-yith-wcwl.php:233
```
$regex_paged  = '((?!wp-json/.*)([^/]+/)*' . urldecode( $wishlist_page_slug ) . ')(/(.*))?/page/([0-9]{1,})/?$';
```
It generates this regular expression:

‘((?!wp-json/.)([^/]+/) * wishlist)(/(.*))?/page/([0-9]{1,})/?$’

(and causing the Unknown modifier ‘w’ warning)

Before the update it was like this and this regex worked correctly without warnings:
```
$regex_paged  = '(([^/]+/)*' . urldecode( $wishlist_page_slug ) . ')(/(.*))?/page/([0-9]{1,})/?$';
```
Please let me know if you need more information about this.

Thank you.

Viewing 5 replies - 1 through 5 (of 5 total)

Thread Starter goran468
(@goran468)

4 months, 2 weeks ago
A quick was to repeat in the theme with Wishlist plugin installed, configured with new permalink structure:
```
<?php

cust_regex_test();

function cust_regex_test() {

    global $wp_rewrite;

    $matches = $wp_rewrite->wp_rewrite_rules();

    $current_url = '/test/';

    foreach ( $matches as $match => $query ) {

        preg_match( "!^$match!", $current_url, $matches );
    }
}
```
Warning: preg_match(): Unknown modifier ‘w’ in C:\www\wp-test\wp-content\themes\test-theme\functions.php on line 22
Thread Starter goran468
(@goran468)

4 months, 2 weeks ago

Some additional clarification. This delimiter is used in quite popular Redux Framework and now it causes a conflict with YITH Wishlist and Redux:

https://github.com/reduxframework/redux-framework/blob/e62d65a0ee440d72b1fda24d90d3bb44d996a2ac/redux-core/inc/extensions/metaboxes/class-redux-extension-metaboxes.php#L772

Thank you.

ivoeglitis
(@ivoeglitis)

4 months, 2 weeks ago

Correct. I’m seeing the same issue.

Plugin Support Juan Coronel
(@juaancmendez)

4 months, 1 week ago

Hello there,
thanks for contacting us!

I will contact the developer and as soon as I have any news I will post it here.

Best regards.

Plugin Support Juan Coronel
(@juaancmendez)

4 months ago

Hello there,

I’m writing here just to let you know that the developer is working on this and as soon as there is a solution I will let you know here. Thanks for your report ??

Viewing 5 replies - 1 through 5 (of 5 total)

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