wpsnoop Function _pre() conflicts found in 4 plugins

A php function called _pre() is used in 4 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 _pre()

The following 4 plugins register a function called _pre():

Plugin
Menu Helper
Captcha for Widgets
Salon Booking Wordpress Plugin - Free Version
GS Alternate Images