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<?php function fact($n) { if ($n === 0) { // our base case return 1; } else { return $n * fact($n-1); // <--calling itself. } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kSLrH
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E > > RETURN                                                   1

Function fact:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kSLrH
function name:  fact
number of ops:  12
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        IS_IDENTICAL                                             !0, 0
          2      > JMPZ                                                     ~1, ->5
    4     3    > > RETURN                                                   1
          4*       JMP                                                      ->11
    7     5    >   INIT_FCALL_BY_NAME                                       'fact'
          6        SUB                                              ~2      !0, 1
          7        SEND_VAL_EX                                              ~2
          8        DO_FCALL                                      0  $3      
          9        MUL                                              ~4      !0, $3
         10      > RETURN                                                   ~4
    9    11*     > RETURN                                                   null

End of function fact

Generated using Vulcan Logic Dumper, using php 8.0.0


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