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<?php $words = "music band sound"; preg_match_all("/\w+/", strtoupper($words), $matches); $words = $matches[0]; var_dump($words);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fHcjR
function name:  (null)
number of ops:  15
compiled vars:  !0 = $words, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'music+band+sound'
    4     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5Cw%2B%2F'
          3        INIT_FCALL                                               'strtoupper'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        SEND_VAR                                                 $3
          7        SEND_REF                                                 !1
          8        DO_ICALL                                                 
    5     9        FETCH_DIM_R                                      ~5      !1, 0
         10        ASSIGN                                                   !0, ~5
    7    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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