Fatal error: Uncaught Error: Call to undefined function split() in /home/bigfella/public_html/wp/wp-content/plugins/wp-invoice/core/wpi_functions.php:1978 Stack trace: #0 /home/bigfella/public_html/wp/wp-content/plugins/wp-invoice/wp-invoice.php(167): WPI_Functions->load_gateways() #1 /home/bigfella/public_html/wp/wp-content/plugins/wp-invoice/wp-invoice.php(121): WPI_Core->__construct() #2 /home/bigfella/public_html/wp/wp-includes/plugin.php(470): WPI_Core::getInstance('') #3 /home/bigfella/public_html/wp/wp-settings.php(336): do_action('after_setup_the...') #4 /home/bigfella/public_html/wp/wp-config.php(90): require_once('/home/bigfella/...') #5 /home/bigfella/public_html/wp/wp-load.php(29): require_once('/home/bigfella/...') #6 /home/bigfella/public_html/wp/wp-blog-header.php(12): require_once('/home/bigfella/...') #7 /home/bigfella/public_html/wp/index.php(17): require('/home/bigfella/...') #8 {main} thrown in /home/bigfella/public_html/wp/wp-content/plugins/wp-invoice/core/wpi_functions.php on line 1978