Title: Throws PHP warning when registering
Last modified: August 31, 2018

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# Throws PHP warning when registering

 *  [tgp1994](https://wordpress.org/support/users/tgp1994/)
 * (@tgp1994)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/throws-php-warning-when-registering/)
 * I just added a text form named “referrer” to my registration form, and when trying
   to register, I get the following errors:
 * > Warning: array_key_exists() expects parameter 2 to be array, boolean given 
   > in […]/wp-content/plugins/user-registration-aide/models/ura-registration-form-
   > model.php on line 591
   > Warning: Cannot modify header information – headers already sent by (output
   > started at […]/wp-content/plugins/user-registration-aide/models/ura-registration-
   > form-model.php:591) in […]/wp-includes/pluggable.php on line 1219
 * This is in WordPress version 4.9.8.
    -  This topic was modified 7 years, 9 months ago by [tgp1994](https://wordpress.org/support/users/tgp1994/).

The topic ‘Throws PHP warning when registering’ is closed to new replies.

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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [tgp1994](https://wordpress.org/support/users/tgp1994/)
 * Last activity: [7 years, 9 months ago](https://wordpress.org/support/topic/throws-php-warning-when-registering/)
 * Status: not resolved