wpsnoop Function wp_cart_add_custom_field() conflicts found in 3 plugins

A php function called wp_cart_add_custom_field() is used in 3 wordpress plugins/themes and could produce a potential conflict if the wrong combination of themes and plugins is used on your site.

To prevent this from happening developers are encouraged to use namespaces and scopes that isolate their functions from colliding with other functions but this is not always done correctly.

We hope this reference helps you to find PHP Fatal error: Cannot redeclare wp_cart_add_custom_field()

The following 3 plugins register a function called wp_cart_add_custom_field():

Plugin
WP Ultra simple Paypal Cart
WP Simple Paypal Shopping cart
PayPress Paypal Shopping cart