wpsnoop Function manage_custom_columns() conflicts found in 1 plugin

A php function called manage_custom_columns() is used in 1 wordpress plugin/theme 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 manage_custom_columns()

The following plugin registers a function called manage_custom_columns():

Plugin
Portfolio and Testimonial manager