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Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fqLVZ
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'filter_alphanum'
          1        SEND_VAL                                                 'a%21bc%21%23123+more+and+more'
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

Function filter_alphanum:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fqLVZ
function name:  filter_alphanum
number of ops:  15
compiled vars:  !0 = $string, !1 = $characters, !2 = $alphaNumeric
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'str_split'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    5     5        INIT_FCALL                                               'array_filter'
          6        SEND_VAR                                                 !1
          7        SEND_VAL                                                 'ctype_alnum'
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !2, $5
    6    10        INIT_FCALL                                               'join'
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                         $7      
         13      > RETURN                                                   $7
    7    14*     > RETURN                                                   null

End of function filter_alphanum

Generated using Vulcan Logic Dumper, using php 8.0.0


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