edd_is_cc_verify_enabled()
Function: Verify credit card numbers live?
Source: includes/misc-functions.php:90
edd_is_odd()
Function: Is Odd
Source: includes/misc-functions.php:120
edd_get_file_extension()
Function: Get File Extension
Source: includes/misc-functions.php:135
edd_string_is_image_url()
Function: Checks if the string (filename) provided is an image URL
Source: includes/misc-functions.php:147