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<?php $h = 0; function hl() { if ($h > 4) { throw Exception(); } ++$h; hl(); } hl();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7dsnK
function name:  (null)
number of ops:  4
compiled vars:  !0 = $h
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
   14     1        INIT_FCALL                                               'hl'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function hl:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7dsnK
function name:  hl
number of ops:  9
compiled vars:  !0 = $h
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   IS_SMALLER                                               4, !0
          1      > JMPZ                                                     ~1, ->5
    7     2    >   INIT_FCALL_BY_NAME                                       'Exception'
          3        DO_FCALL                                      0  $2      
          4      > THROW                                         0          $2
    9     5    >   PRE_INC                                                  !0
   10     6        INIT_FCALL_BY_NAME                                       'hl'
          7        DO_FCALL                                      0          
   11     8      > RETURN                                                   null

End of function hl

Generated using Vulcan Logic Dumper, using php 8.0.0


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