3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 'x'; $count = filter_var($count, FILTER_VALIDATE_INT, ['options' => ['default' => 20, 'min_range' => 1, 'max_range' => 20]]); var_dump($count);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PUOJ1
function name:  (null)
number of ops:  11
compiled vars:  !0 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'x'
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 257
          4        SEND_VAL                                                 <array>
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.85 ms | 1385 KiB | 17 Q