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<?php $str = "50+16-0*387/2+49"; $digits = []; $symbols = []; foreach (preg_split("/(\d+)/", $str, 0, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $string) { if (ctype_digit($string)) { $digits[] = $string; } else { $symbols[] = $string; } } var_export($digits); echo "\n---\n"; var_export($symbols);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 21
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 21
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 18
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
filename:       /in/Njgge
function name:  (null)
number of ops:  30
compiled vars:  !0 = $str, !1 = $digits, !2 = $symbols, !3 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '50%2B16-0%2A387%2F2%2B49'
    5     1        ASSIGN                                                   !1, <array>
    6     2        ASSIGN                                                   !2, <array>
    8     3        INIT_FCALL                                               'preg_split'
          4        SEND_VAL                                                 '%2F%28%5Cd%2B%29%2F'
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 0
          7        SEND_VAL                                                 3
          8        DO_ICALL                                         $7      
          9      > FE_RESET_R                                       $8      $7, ->21
         10    > > FE_FETCH_R                                               $8, !3, ->21
    9    11    >   INIT_FCALL                                               'ctype_digit'
         12        SEND_VAR                                                 !3
         13        DO_ICALL                                         $9      
         14      > JMPZ                                                     $9, ->18
   10    15    >   ASSIGN_DIM                                               !1
         16        OP_DATA                                                  !3
    9    17      > JMP                                                      ->20
   12    18    >   ASSIGN_DIM                                               !2
         19        OP_DATA                                                  !3
    8    20    > > JMP                                                      ->10
         21    >   FE_FREE                                                  $8
   16    22        INIT_FCALL                                               'var_export'
         23        SEND_VAR                                                 !1
         24        DO_ICALL                                                 
   17    25        ECHO                                                     '%0A---%0A'
   18    26        INIT_FCALL                                               'var_export'
         27        SEND_VAR                                                 !2
         28        DO_ICALL                                                 
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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