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<?php function compare($i) { echo 'called'.PHP_EOL; return $i < 5; } for($i = 0; compare($i); $i++) {}
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 2
Branch analysis from position: 7
Branch analysis from position: 2
filename:       /in/oIWm3
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->3
          2    >   PRE_INC                                                  !0
          3    >   INIT_FCALL                                               'compare'
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0  $3      
          6      > JMPNZ                                                    $3, ->2
          7    > > RETURN                                                   1

Function compare:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oIWm3
function name:  compare
number of ops:  5
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        ECHO                                                     'called%0A'
    6     2        IS_SMALLER                                       ~1      !0, 5
          3      > RETURN                                                   ~1
    7     4*     > RETURN                                                   null

End of function compare

Generated using Vulcan Logic Dumper, using php 8.0.0


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