wpsnoop Function str2hex() conflicts found in 2 plugins

A php function called str2hex() is used in 2 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 str2hex()

The following 2 plugins register a function called str2hex():

Plugin
WhatsApp - Contact Form 7 Integration
WhatsApp - Woocommerce Integration