apc_dec Decrease a stored number &reftitle.description; intapc_dec stringkey intstep1 boolsuccess Decreases a stored integer value. &reftitle.parameters; key The key of the value being decreased. step The step, or value to decrease. success Optionally pass the success or fail boolean value to this referenced variable. &reftitle.returnvalues; Returns the current value of key's value on success, &return.falseforfailure; &reftitle.examples; ]]> &example.outputs.similar; &reftitle.seealso; apc_inc