beat.php not working

[parkerlreed]

Arch Linux
php 7.2.8
sox 14.4.2

[parker@yoga710 Disney-Infinity-and-Skylanders-Lighting]$ sudo php beat.php LRMonoPhase4.wav 
Processing the music!
Starting the music!
PHP Notice:  Undefined offset: 0 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85
PHP Notice:  Undefined offset: 0 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85
PHP Notice:  Undefined offset: 1 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85
PHP Notice:  Undefined offset: 1 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85
PHP Notice:  Undefined offset: 2 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85
PHP Notice:  Undefined offset: 2 in /home/parker/build/Disney-Infinity-and-Skylanders-Lighting/beat.php on line 85

Audio plays through sox but the portal never lights up

[parkerlreed]

Also tried php56. Besides not having the posix_getuid (at least in what I compiled) it ends up with the same result.