warn() warn(string|\Exception $message) Warning: warning conditions Parameters string|\Exception $message
info() info(string|\Exception $message) Informational: informational messages Parameters string|\Exception $message
debug() debug(string|\Exception $message) Debug: debug messages Example: "Task ID is $taskId" Parameters string|\Exception $message
backtrace() backtrace(string $message) Debug: debug messages with backtrace Parameters string $message
vardump() vardump(mixed $var, string $message = '') Debug: debug messages with var_dump Parameters mixed $var string $message
log() log(integer $priority, string|\Exception $message) Parameters integer $priority string|\Exception $message