Title: PHP Warning:  preg_match
Last modified: August 21, 2016

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# PHP Warning: preg_match

 *  Resolved [chmielopas](https://wordpress.org/support/users/chmielopas/)
 * (@chmielopas)
 * [11 years, 11 months ago](https://wordpress.org/support/topic/php-warning-preg_match/)
 * Hello,
 * Everytime when someone sends me e-mail via contact form or I receive some notification
   this error is recorded in my log:
 * `2014/06/29 13:43:58 [error] 30177#0: *349 FastCGI sent in stderr: "PHP message:
   PHP Warning: preg_match() expects parameter 2 to be string, array given in /wp-
   content/plugins/wp-ses/wp-ses.php on line 423" while reading response header 
   from upstream, client: xxxxxxxxx, server: marzycielskapoczta.pl, request: "POST/
   dodaj-relacje/ HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:",
   host: "marzycielskapoczta.pl", referrer: "http://marzycielskapoczta.pl/dodaj-
   relacje/"`
 * Any ideas?
    Thanks in advance!
 * [https://wordpress.org/plugins/wp-ses/](https://wordpress.org/plugins/wp-ses/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Contributor [Sylvain Deaure](https://wordpress.org/support/users/sylvaindeaure/)
 * (@sylvaindeaure)
 * [11 years, 11 months ago](https://wordpress.org/support/topic/php-warning-preg_match/#post-5052788)
 * Hi,
 * Looks like something is sending headers as array and not string.
    Both are ok
   according to the codex, It will be taken care of in the next plugin update. Thanks
   for letting me know !
 *  Plugin Contributor [Sylvain Deaure](https://wordpress.org/support/users/sylvaindeaure/)
 * (@sylvaindeaure)
 * [11 years, 7 months ago](https://wordpress.org/support/topic/php-warning-preg_match/#post-5052897)
 * Update : Been taken care of in a previous update.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP Warning: preg_match’ is closed to new replies.

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## Tags

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

 * 2 replies
 * 2 participants
 * Last reply from: [Sylvain Deaure](https://wordpress.org/support/users/sylvaindeaure/)
 * Last activity: [11 years, 7 months ago](https://wordpress.org/support/topic/php-warning-preg_match/#post-5052897)
 * Status: resolved