Title: PHP Warning: Undefined array key (BigInteger.php line 1773)
Last modified: May 26, 2023

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# PHP Warning: Undefined array key (BigInteger.php line 1773)

 *  [germanshep01](https://wordpress.org/support/users/germanshep01/)
 * (@germanshep01)
 * [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-biginteger-php-line-1773/)
 * Dear Sir/Madam,
   For multiple sites I get warnings in /var/log/apache2/error.log(
   was bugfixing another issue when I noticed).The exact issue:[{TIMESTAMP}] [php:
   warn] [pid {PID}] [client {IP ADDRESS}] PHP Warning: Undefined array key 4 in/
   var/www/{sitename}/public_html/wp-content/plugins/loginizer/IPv6/BigInteger.php
   on line 1173, referer: [https://](https://wordpress.org/support/topic/php-warning-undefined-array-key-biginteger-php-line-1773/?output_format=md){
   sitename}/wp-login.php?redirect_to=https%3A%2F%2F{sitename}%2Fwp-admin%2F&reauth
   =1Which points to an issue in the BigInteger.phpMy PHP version is PHP 8.2.6. (
   I know, I like to have the newest stuff ;-))Could you please fix this in a further
   release?Thanks in advance!Kind Regards,GermanShep01

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

 *  Thread Starter [germanshep01](https://wordpress.org/support/users/germanshep01/)
 * (@germanshep01)
 * [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-biginteger-php-line-1773/#post-16773600)
 * Just to add, it turns out that there are more errors in BigInteger.php,
   I’m also
   getting erros at line 873 and 884, same error message except for the array key
   number changing (3 & 4 resepectively).Thank you for you time developing this 
   great plugin!
 *  Plugin Contributor [loginizer](https://wordpress.org/support/users/loginizer/)
 * (@loginizer)
 * [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-biginteger-php-line-1773/#post-16773692)
 * Hello [@germanshep01](https://wordpress.org/support/users/germanshep01/)
 * We apologize for the delay, and we really appreciate you for reporting this to
   us.
   We will look into the issue and fix it and release it in the next update 
   which we will try to launch ASAP.
 * Regards,
   Loginizer Team

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

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## Tags

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

 * 2 replies
 * 2 participants
 * Last reply from: [loginizer](https://wordpress.org/support/users/loginizer/)
 * Last activity: [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-biginteger-php-line-1773/#post-16773692)
 * Status: not resolved