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<?php $regex = "/(volume:\s+)([0-9]+)(%)/"; $text = "volume: 90%"; preg_match($regex , $text, $matches); echo $matches[2];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S0rvV
function name:  (null)
number of ops:  10
compiled vars:  !0 = $regex, !1 = $text, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2F%28volume%3A%5Cs%2B%29%28%5B0-9%5D%2B%29%28%25%29%2F'
    3     1        ASSIGN                                                   !1, 'volume%3A+90%25'
    4     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    6     7        FETCH_DIM_R                                      ~6      !2, 2
          8        ECHO                                                     ~6
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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