Online PHP editor | refs for HTrm2

<?php $bass = "Cb"; $selected_scale = 11; $major_scales = array ( array("C","D","E","F","G","A","B","C","D","E","F","G","A","B",), array("C#","D#","E#","F#","G#","A#","B#","C#","D#","E#","F#","G#","A#","B#",), array("Db","Eb","F","Gb","Ab","Bb","C","Db","Eb","F","Gb","Ab","Bb","C",), array("D","E","F#","G","A","B","C#","D","E","F#","G","A","B","C#"), array("D#","E#","F##","G#","A#","B#","C##","D#","E#","F##","G#","A#","B#","C##"), array("Eb","F","G","Ab","Bb","C","D","Eb","F","G","Ab","Bb","C","D"), array("E","F#","G#","A","B","C#","D#","E","F#","G#","A","B","C#","D#"), array("E#","F##","G##","A#","B#","C##","D##","E#","F##","G##","A#","B#","C##","D##"), array("Fb","Gb","Ab","Bbb","Cb","Db","Eb","Fb","Gb","Ab","Bbb","Cb","Db","Eb"), array("F","G","A","Bb","C","D","E","F","G","A","Bb","C","D","E"), array("F#","G#","A#","B","C#","D#","E#","F#","G#","A#","B","C#","D#","E#"), array("Gb","Ab","Bb","Cb","Db","Eb","F","Gb","Ab","Bb","Cb","Db","Eb","F"), array("G","A","B","C","D","E","F#","G","A","B","C","D","E","F#"), array("G#","A#","B#","C#","D#","E#","F##","G#","A#","B#","C#","D#","E#","F##"), array("Ab","Bb","C","Db","Eb","F","G","Ab","Bb","C","Db","Eb","F","G"), array("A","B","C#","D","E","F#","G#","A","B","C#","D","E","F#","G#"), array("A#","B#","C##","D#","E#","F##","G##","A#","B#","C##","D#","E#","F##","G##"), array("Bb","C","D","Eb","F","G","A","Bb","C","D","Eb","F","G","A"), array("B","C#","D#","E","F#","G#","A#","B","C#","D#","E","F#","G#","A#"), array("B#","C##","D##","E#","F##","G##","A##","B#","C##","D##","E#","F##","G##","A##"), array("Cb","Db","Eb","Fb","Gb","Ab","Bb","Cb","Db","Eb","Fb","Gb","Ab","Bb") ); // if value exists in mentioned index if (in_array($bass,$major_scales[$selected_scale])){ // index of that value in that array $tmp_ind = array_search($bass,$major_scales[$selected_scale]); // length of the array $len = count($major_scales[$selected_scale]); // store values after this value $res = []; for ($i=$tmp_ind;$i<$len;$i++){ $res[$i] = $major_scales[$selected_scale][$i]; } } print_r($res);