please try below code:
if(has_tag( array( 'sharp', 'mild', 'extreme' ) ) && get_post_type()=="custom-post-type"){
}
the array value should be the term name which is stored in taxonomy.
you can directly pass the array in gas_tag() function
please try below code:
if(has_tag( array( 'sharp', 'mild', 'extreme' ) ) && get_post_type()=="custom-post-type"){
}
the array value should be the term name which is stored in taxonomy.
you can directly pass the array in gas_tag() function