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<?php function f($b){ if ($b < 5) { return true; } else { print "false"; } } echo f(1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/66Wd2
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     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 = 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/66Wd2
function name:  f
number of ops:  7
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        IS_SMALLER                                               !0, 5
          2      > JMPZ                                                     ~1, ->5
    4     3    > > RETURN                                                   <true>
          4*       JMP                                                      ->6
    8     5    >   ECHO                                                     'false'
   10     6      > RETURN                                                   null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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