// Source - https://stackoverflow.com/a/58934271
// Posted by alejus
// Retrieved 2026-04-01, License - CC BY-SA 4.0

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<b>Fatal error</b>:  Uncaught TypeError: filter_var(): Argument #3 ($options) must be of type array|int, string given in /home/eltronicscoin/public_html/system/core/Input.php:392
Stack trace:
#0 /home/eltronicscoin/public_html/system/core/Input.php(392): filter_var()
#1 /home/eltronicscoin/public_html/system/core/Input.php(355): CI_Input-&gt;valid_ip()
#2 /home/eltronicscoin/public_html/system/libraries/Session.php(330): CI_Input-&gt;ip_address()
#3 /home/eltronicscoin/public_html/system/libraries/Session.php(108): CI_Session-&gt;sess_create()
#4 /home/eltronicscoin/public_html/system/core/Loader.php(1099): CI_Session-&gt;__construct()
#5 /home/eltronicscoin/public_html/system/core/Loader.php(975): CI_Loader-&gt;_ci_init_class()
#6 /home/eltronicscoin/public_html/system/core/Loader.php(216): CI_Loader-&gt;_ci_load_class()
#7 /home/eltronicscoin/public_html/system/core/Loader.php(1178): CI_Loader-&gt;library()
#8 /home/eltronicscoin/public_html/system/core/Loader.php(152): CI_Loader-&gt;_ci_autoloader()
#9 /home/eltronicscoin/public_html/system/core/Controller.php(52): CI_Loader-&gt;initialize()
#10 /home/eltronicscoin/public_html/application/controllers/product_controller.php(5): CI_Controller-&gt;__construct()
#11 /home/eltronicscoin/public_html/system/core/CodeIgniter.php(308): Product_controller-&gt;__construct()
#12 /home/eltronicscoin/public_html/index.php(202): require_once('/home/eltronics...')
#13 {main}
  thrown in <b>/home/eltronicscoin/public_html/system/core/Input.php</b> on line <b>392</b><br />