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<?php for ($i = 48; $i < 9999; $i++) { $hash = md5("preved$i"); if (is_numeric($hash)) { echo "$i $hash "; var_dump(is_numeric($hash)); echo "\n"; break; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
2 jumps found. (Code = 44) Position 1 = 28, Position 2 = 2
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 25
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 28, Position 2 = 2
Branch analysis from position: 28
Branch analysis from position: 2
filename:       /in/qqvO9
function name:  (null)
number of ops:  29
compiled vars:  !0 = $i, !1 = $hash
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 48
          1      > JMP                                                      ->26
    5     2    >   INIT_FCALL                                               'md5'
          3        NOP                                                      
          4        FAST_CONCAT                                      ~3      'preved', !0
          5        SEND_VAL                                                 ~3
          6        DO_ICALL                                         $4      
          7        ASSIGN                                                   !1, $4
    7     8        INIT_FCALL                                               'is_numeric'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                         $6      
         11      > JMPZ                                                     $6, ->25
    9    12    >   ROPE_INIT                                     4  ~8      !0
         13        ROPE_ADD                                      1  ~8      ~8, '+'
         14        ROPE_ADD                                      2  ~8      ~8, !1
         15        ROPE_END                                      3  ~7      ~8, '+'
         16        ECHO                                                     ~7
   10    17        INIT_FCALL                                               'var_dump'
         18        INIT_FCALL                                               'is_numeric'
         19        SEND_VAR                                                 !1
         20        DO_ICALL                                         $10     
         21        SEND_VAR                                                 $10
         22        DO_ICALL                                                 
   11    23        ECHO                                                     '%0A'
   12    24      > JMP                                                      ->28
    3    25    >   PRE_INC                                                  !0
         26    >   IS_SMALLER                                               !0, 9999
         27      > JMPNZ                                                    ~13, ->2
   14    28    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
177.46 ms | 1396 KiB | 19 Q