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<?php $inputs = [ -1, "-1", -0.9, "-0.9", 0, "0", 0.0, "0.0", .9, ".9", 1, "1.0", 1.1, "1.1", 2, "2", ]; foreach ($inputs as $input) { $ok = filter_var($input, FILTER_VALIDATE_INT, [ 'options' => [ 'min_range' => 1, 'max_range' => PHP_INT_MAX ]]); var_dump([ $input, $ok ]); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 15
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/mcpqq
function name:  (null)
number of ops:  17
compiled vars:  !0 = $inputs, !1 = $input, !2 = $ok
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    7     1      > FE_RESET_R                                       $4      !0, ->15
          2    > > FE_FETCH_R                                               $4, !1, ->15
    8     3    >   INIT_FCALL                                               'filter_var'
          4        SEND_VAR                                                 !1
          5        SEND_VAL                                                 257
          6        SEND_VAL                                                 <array>
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !2, $5
    9     9        INIT_FCALL                                               'var_dump'
         10        INIT_ARRAY                                       ~7      !1
         11        ADD_ARRAY_ELEMENT                                ~7      !2
         12        SEND_VAL                                                 ~7
         13        DO_ICALL                                                 
    7    14      > JMP                                                      ->2
         15    >   FE_FREE                                                  $4
   10    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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