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<?php $data = "123_String"; $whatIWant = substr($data, strpos($data, "3") + 1); echo $whatIWant; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5vV0u
function name:  (null)
number of ops:  13
compiled vars:  !0 = $data, !1 = $whatIWant
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '123_String'
    4     1        INIT_FCALL                                               'substr'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'strpos'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 '3'
          6        DO_ICALL                                         $3      
          7        ADD                                              ~4      $3, 1
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                         $5      
         10        ASSIGN                                                   !1, $5
    6    11        ECHO                                                     !1
    7    12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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