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<?php function f($a) { $b = 0; if ($a > 0) { $b = f($a-1); } return $b; } echo f(1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tGAF3
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'f'
          1        SEND_VAL                                                 1
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/tGAF3
function name:  f
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        ASSIGN                                                   !1, 0
    4     2        IS_SMALLER                                               0, !0
          3      > JMPZ                                                     ~3, ->9
    5     4    >   INIT_FCALL_BY_NAME                                       'f'
          5        SUB                                              ~4      !0, 1
          6        SEND_VAL_EX                                              ~4
          7        DO_FCALL                                      0  $5      
          8        ASSIGN                                                   !1, $5
    7     9    > > RETURN                                                   !1
    8    10*     > RETURN                                                   null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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