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Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VFs9M
function name:  (null)
number of ops:  17
compiled vars:  !0 = $sentence, !1 = $first_word, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%E7%B7%B4%E9%A6%AC%E6%98%A5%E6%97%A5%E7%94%BA%E2%85%A3%E3%80%80%E6%B8%85%E6%8E%83%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88.pdf'
    4     1        INIT_FCALL                                               'mb_split'
          2        SEND_VAL                                                 '%5Cp%7BZ%7D'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
    5     6        FETCH_DIM_R                                      ~6      !1, 0
          7        ECHO                                                     ~6
    9     8        INIT_FCALL                                               'preg_match'
          9        SEND_VAL                                                 '%2F%5E%5Cw%2B%2Fiu'
         10        SEND_VAR                                                 !0
         11        SEND_REF                                                 !2
         12        DO_ICALL                                                 
   12    13        FETCH_DIM_R                                      ~8      !2, 0
         14        CONCAT                                           ~9      '%0AThe+first+word+of+string+is%3A+', ~8
         15        ECHO                                                     ~9
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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