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<?php for($i=0; $i<256; $i++) echo !ord(chr($i)) == $i;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 2
Branch analysis from position: 14
Branch analysis from position: 2
filename:       /in/ARjnd
function name:  (null)
number of ops:  15
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->12
          2    >   INIT_FCALL                                               'ord'
          3        INIT_FCALL                                               'chr'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                         $3      
          8        BOOL_NOT                                         ~4      $3
          9        IS_EQUAL                                         ~5      !0, ~4
         10        ECHO                                                     ~5
         11        PRE_INC                                                  !0
         12    >   IS_SMALLER                                               !0, 256
         13      > JMPNZ                                                    ~7, ->2
    4    14    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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211.29 ms | 1394 KiB | 17 Q