wpsnoop Function is_valid_date() conflicts found in 5 plugins

A php function called is_valid_date() is used in 5 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 is_valid_date()

The following 5 plugins register a function called is_valid_date():

Plugin
WP Sessions Time Monitoring Full Automatic
WP Directory Kit
WP-HR Manager
Sweet Energy Efficiency
Element Invader - Elementor Template Kits Library