All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger.
The jurists stated that if the husband says to his wife "you are free", then this expression is a metaphor for divorce, therefore, the validity of divorce depends on the intention of the husband. If he intends to initiate a divorce, then divorce takes place, otherwise no.
For more benefit, please refer to Fataawa 91218 and 90531.
Allaah Knows best.