Title: plugin needs at least PHP 5.2.9 !
Last modified: August 21, 2016

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# plugin needs at least PHP 5.2.9 !

 *  [kaspars](https://wordpress.org/support/users/kaspars/)
 * (@kaspars)
 * [12 years, 12 months ago](https://wordpress.org/support/topic/plugin-needs-at-least-php-529/)
 * FYI – since the author uses
    array_unique ($iplist_arr[“ip”], SORT_STRING); in
   saving options you need at least PHP 5.2.9, otherwise array_unique will return
   NULL and all blocked IP addreses will be lost whenever you edit options.
 * If you want to fix the problem – just edit the plugin file: blue-captcha/blueoptions.
   php
    and remove the 2nd parameter, it should look like: array_unique ($iplist_arr[“
   ip”]);
 * [http://wordpress.org/extend/plugins/blue-captcha/](http://wordpress.org/extend/plugins/blue-captcha/)

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

 *  Plugin Author [jotis](https://wordpress.org/support/users/jotis/)
 * (@jotis)
 * [12 years, 9 months ago](https://wordpress.org/support/topic/plugin-needs-at-least-php-529/#post-3806411)
 * Hi kaspars,
 * thanks for your important information.
 * This issue has been fixed in version 1.6
 * Best regards,
    Jotis
 *  [LVRuss](https://wordpress.org/support/users/lvruss/)
 * (@lvruss)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/plugin-needs-at-least-php-529/#post-3806419)

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

The topic ‘plugin needs at least PHP 5.2.9 !’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/blue-captcha.svg)
 * [Blue Captcha](https://wordpress.org/plugins/blue-captcha/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/blue-captcha/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/blue-captcha/)
 * [Active Topics](https://wordpress.org/support/plugin/blue-captcha/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/blue-captcha/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/blue-captcha/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [LVRuss](https://wordpress.org/support/users/lvruss/)
 * Last activity: [12 years, 7 months ago](https://wordpress.org/support/topic/plugin-needs-at-least-php-529/#post-3806419)
 * Status: not resolved