3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach(["FILTER_VALIDATE_BOOLEAN","FILTER_VALIDATE_BOOL","FILTER_VALIDATE_INT","FILTER_VALIDATE_INTEGER"] as $lol){ echo "{$lol}: ".((int)defined($lol))."\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 1, Position 2 = 12
Branch analysis from position: 1
2 jumps found. (Code = 78) Position 1 = 2, Position 2 = 12
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 1
Branch analysis from position: 1
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/36hUH
function name:  (null)
number of ops:  14
compiled vars:  !0 = $lol
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E > > FE_RESET_R                                       $1      <array>, ->12
          1    > > FE_FETCH_R                                               $1, !0, ->12
    3     2    >   NOP                                                      
          3        FAST_CONCAT                                      ~2      !0, '%3A+'
          4        INIT_FCALL                                               'defined'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        CAST                                          4  ~4      $3
          8        CONCAT                                           ~5      ~2, ~4
          9        CONCAT                                           ~6      ~5, '%0A'
         10        ECHO                                                     ~6
    2    11      > JMP                                                      ->1
         12    >   FE_FREE                                                  $1
    4    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
140.04 ms | 997 KiB | 14 Q