(PECL svm >= 0.1.5) Get the labels the model was trained on

(PECL svm >= 0.1.00.1.0) Load a saved SVM Model

(PECL svm >= 0.1.5) Returns the number of classes the model was trained with

(PECL svm >= 0.1.5) Returns true if the model has probability information

(PECL svm >= 0.1.5) Get the sigma value for regression types