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<?php $body = 'err [user:2] [user:3] rdfer'; preg_match_all("/\[user:(.*?)]/", $body, $matches); print_r($matches); exit;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/VMrO0
function name:  (null)
number of ops:  11
compiled vars:  !0 = $body, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'err+%5Buser%3A2%5D+%5Buser%3A3%5D+rdfer'
    5     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5C%5Buser%3A%28.%2A%3F%29%5D%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
    8     9      > EXIT                                                     
         10*     > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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