(PECL openal >= 0.1.0)
openal_listener_set — Set a listener property
openal_listener_set ( int $property , mixed $setting ) : bool
property
Property to set, one of: AL_GAIN (float), AL_POSITION (array(float,float,float)), AL_VELOCITY (array(float,float,float)) and AL_ORIENTATION (array(float,float,float)).
setting
Value to set, either float, or an array of floats as appropriate.
Returns true on success or false on failure.
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https://www.php.net/manual/en/function.openal-listener-set.php