tf.keras.backend.learning_phase

Returns the learning phase flag.

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.keras.backend.learning_phase, `tf.compat.v2.keras.backend.learning_phase`

The learning phase flag is a bool tensor (0 = test, 1 = train) to be passed as input to any Keras function that uses a different behavior at train time and test time.

Learning phase (scalar integer tensor or Python integer).