plugin needs at least PHP 5.2.9 !
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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”]);
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