Peter Wu 69d643b53f Properly handle NULL var_name for switch_play_and_get_digits
Do not set "_invalid" in case var_name is empty or unset. While at it,
clear the "foo_invalid" variable before doing anything else when a regex
is passed, this ensures that the variable really reflects the current
run.

Fixes an issue in original FS-7783 feature.
2016-05-06 18:33:32 +02:00
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Description
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unl
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