Title: preg_replace_callback errors
Last modified: October 9, 2019

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# preg_replace_callback errors

 *  [dietrichmd](https://wordpress.org/support/users/dietrichmd/)
 * (@dietrichmd)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/preg_replace_callback-errors/)
 * [proxy_fcgi:error] [pid 2743] Got error ‘PHP message: PHP Warning: preg_replace_callback():
   Requires argument 2, ‘<a rel="nofollow"\\1′, to be a valid callback in /home/
   username/public_html/wp-content/plugins/wpa-seo-auto-linker/wpa-seo-auto-linker-
   functions.php on line 36\n’
 * showing in error log. plugin works fine, but this is filling up logfiles. ideas?

Viewing 1 replies (of 1 total)

 *  Thread Starter [dietrichmd](https://wordpress.org/support/users/dietrichmd/)
 * (@dietrichmd)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/preg_replace_callback-errors/#post-12013533)
 * FUP: read [https://wordpress.org/support/topic/php-error-on-nofollow/](https://wordpress.org/support/topic/php-error-on-nofollow/)
   and I’m not seeing a 1.3 to upgrade to.

Viewing 1 replies (of 1 total)

The topic ‘preg_replace_callback errors’ is closed to new replies.

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## Tags

 * [php-error](https://wordpress.org/support/topic-tag/php-error/)

 * 1 reply
 * 1 participant
 * Last reply from: [dietrichmd](https://wordpress.org/support/users/dietrichmd/)
 * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/preg_replace_callback-errors/#post-12013533)
 * Status: not resolved