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<?php for ($i=0; $i<10; $i++) { var_dump(decbin(ord(chr(1) << $i))); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 2
Branch analysis from position: 15
Branch analysis from position: 2
filename:       /in/vCb9P
function name:  (null)
number of ops:  16
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->13
    5     2    >   INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'decbin'
          4        INIT_FCALL                                               'ord'
          5        SL                                               ~2      '%01', !0
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                         $3      
          8        SEND_VAR                                                 $3
          9        DO_ICALL                                         $4      
         10        SEND_VAR                                                 $4
         11        DO_ICALL                                                 
    4    12        PRE_INC                                                  !0
         13    >   IS_SMALLER                                               !0, 10
         14      > JMPNZ                                                    ~7, ->2
    6    15    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
183.82 ms | 1394 KiB | 19 Q