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<?php // to $_POST['costam'] $test = ["1", "2", "d21", "11x1", "-11", "sdd", "-55421", "4444444", "23.34", "0"]; foreach( $test as $val) { $liczba = (int)($val); // sposob 1 if($liczba === false || $liczba < 0){ echo"To nie jest liczba ". $val. PHP_EOL; } else { echo "To jest liczba. ". $val . PHP_EOL; } echo "---------------------------" . PHP_EOL; // sposob 2: $opts = [ 'options' => [ 'min_range' => 0, 'max_range' => PHP_INT_MAX ]]; $test = filter_var($val, FILTER_VALIDATE_INT, $opts); if($test === false){ echo"To nie jest liczba ". $val. PHP_EOL; } else{ echo"To jest liczba ". $val. PHP_EOL; } echo PHP_EOL.PHP_EOL.PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 36
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 36
Branch analysis from position: 3
2 jumps found. (Code = 47) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 14
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 31
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 34
Branch analysis from position: 34
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 31
Branch analysis from position: 27
Branch analysis from position: 31
Branch analysis from position: 9
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 36
filename:       /in/nulBR
function name:  (null)
number of ops:  38
compiled vars:  !0 = $test, !1 = $val, !2 = $liczba, !3 = $opts
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $5      !0, ->36
          2    > > FE_FETCH_R                                               $5, !1, ->36
    6     3    >   CAST                                          4  ~6      !1
          4        ASSIGN                                                   !2, ~6
    9     5        TYPE_CHECK                                    4  ~8      !2
          6      > JMPNZ_EX                                         ~8      ~8, ->9
          7    >   IS_SMALLER                                       ~9      !2, 0
          8        BOOL                                             ~8      ~9
          9    > > JMPZ                                                     ~8, ->14
   10    10    >   CONCAT                                           ~10     'To+nie+jest+liczba+', !1
         11        CONCAT                                           ~11     ~10, '%0A'
         12        ECHO                                                     ~11
         13      > JMP                                                      ->17
   12    14    >   CONCAT                                           ~12     'To+jest+liczba.+', !1
         15        CONCAT                                           ~13     ~12, '%0A'
         16        ECHO                                                     ~13
   16    17    >   ECHO                                                     '---------------------------%0A'
   19    18        ASSIGN                                                   !3, <array>
   25    19        INIT_FCALL                                               'filter_var'
         20        SEND_VAR                                                 !1
         21        SEND_VAL                                                 257
         22        SEND_VAR                                                 !3
         23        DO_ICALL                                         $15     
         24        ASSIGN                                                   !0, $15
   28    25        TYPE_CHECK                                    4          !0
         26      > JMPZ                                                     ~17, ->31
   29    27    >   CONCAT                                           ~18     'To+nie+jest+liczba+', !1
         28        CONCAT                                           ~19     ~18, '%0A'
         29        ECHO                                                     ~19
         30      > JMP                                                      ->34
   32    31    >   CONCAT                                           ~20     'To+jest+liczba+', !1
         32        CONCAT                                           ~21     ~20, '%0A'
         33        ECHO                                                     ~21
   36    34    >   ECHO                                                     '%0A%0A%0A'
    5    35      > JMP                                                      ->2
         36    >   FE_FREE                                                  $5
   37    37      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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