wpsnoop Function travel_agency_sanitize_checkbox() conflicts found in plugins 3 themes

A php function called travel_agency_sanitize_checkbox() 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 travel_agency_sanitize_checkbox()

The following 3 themes register a function called travel_agency_sanitize_checkbox():

Theme
WP Tour Package
Travel Agency
Travel and Tour