A function invocation is a joinpoint and can be intercepted by a function
interceptor.
/**
* This advice intercepts an access to the file_get_contents() function
*
* @param FunctionInvocation $invocation
*
* @Around("execution(Demo\Example\file_get_contents(*))")
*
* @return mixed
*/
public function aroundFileGetContents(FunctionInvocation $invocation)
{
echo 'Calling Around Interceptor for ', $invocation, ' with arguments: ', json_encode($invocation->getArguments()), PHP_EOL;
// return $invocation->proceed(); // Do not call original file_get_contents()
return 'Hello!';
// Override return value for function
}
