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<?php function sum2Numbers($x1) { static $x2 = 0; echo "$x2 += $x1\n"; $x2 += $x1; echo "Returning $x2\n"; return $x2; } $sum = 10; for($m = 1; $m < 4; $m++){ echo "Sum 1 is $sum\n"; $sum += sum2Numbers($m); echo "Sum 2 is $sum\n"; } echo $sum;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 3
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 3
Branch analysis from position: 18
Branch analysis from position: 3
filename:       /in/qIPtB
function name:  (null)
number of ops:  20
compiled vars:  !0 = $sum, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   ASSIGN                                                   !0, 10
   14     1        ASSIGN                                                   !1, 1
          2      > JMP                                                      ->16
   15     3    >   ROPE_INIT                                     3  ~5      'Sum+1+is+'
          4        ROPE_ADD                                      1  ~5      ~5, !0
          5        ROPE_END                                      2  ~4      ~5, '%0A'
          6        ECHO                                                     ~4
   16     7        INIT_FCALL                                               'sum2numbers'
          8        SEND_VAR                                                 !1
          9        DO_FCALL                                      0  $7      
         10        ASSIGN_OP                                     1          !0, $7
   17    11        ROPE_INIT                                     3  ~10     'Sum+2+is+'
         12        ROPE_ADD                                      1  ~10     ~10, !0
         13        ROPE_END                                      2  ~9      ~10, '%0A'
         14        ECHO                                                     ~9
   14    15        PRE_INC                                                  !1
         16    >   IS_SMALLER                                               !1, 4
         17      > JMPNZ                                                    ~13, ->3
   22    18    >   ECHO                                                     !0
   23    19      > RETURN                                                   1

Function sum2numbers:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qIPtB
function name:  sum2Numbers
number of ops:  14
compiled vars:  !0 = $x1, !1 = $x2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        BIND_STATIC                                              !1
    6     2        ROPE_INIT                                     4  ~3      !1
          3        ROPE_ADD                                      1  ~3      ~3, '+%2B%3D+'
          4        ROPE_ADD                                      2  ~3      ~3, !0
          5        ROPE_END                                      3  ~2      ~3, '%0A'
          6        ECHO                                                     ~2
    7     7        ASSIGN_OP                                     1          !1, !0
    8     8        ROPE_INIT                                     3  ~7      'Returning+'
          9        ROPE_ADD                                      1  ~7      ~7, !1
         10        ROPE_END                                      2  ~6      ~7, '%0A'
         11        ECHO                                                     ~6
    9    12      > RETURN                                                   !1
   10    13*     > RETURN                                                   null

End of function sum2numbers

Generated using Vulcan Logic Dumper, using php 8.0.0


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