Php.functionExists
Php.functionExists($phpFunctionName) -> boolean
Description
Return true
if the given PHP function has been defined.
For convenience, you can use forward slashes in place of backslashes for namespace separators.
if Php.functionExists('imap_open') { print('IMAP functions are available.') } $fnName = 'vendorLibrary/someFunction' if Php.functionExists($fnName) { Php.call($fnName, 123) }