3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump([ filter_var('1', FILTER_VALIDATE_INT), filter_var('1dfdsfsd', FILTER_VALIDATE_INT), filter_var('1 zemlekop', FILTER_VALIDATE_INT), ]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S1cdT
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 '1'
          3        SEND_VAL                                                 257
          4        DO_ICALL                                         $0      
          5        INIT_ARRAY                                       ~1      $0
    5     6        INIT_FCALL                                               'filter_var'
          7        SEND_VAL                                                 '1dfdsfsd'
          8        SEND_VAL                                                 257
          9        DO_ICALL                                         $2      
         10        ADD_ARRAY_ELEMENT                                ~1      $2
    6    11        INIT_FCALL                                               'filter_var'
         12        SEND_VAL                                                 '1+zemlekop'
         13        SEND_VAL                                                 257
         14        DO_ICALL                                         $3      
         15        ADD_ARRAY_ELEMENT                                ~1      $3
         16        SEND_VAL                                                 ~1
    3    17        DO_ICALL                                                 
    7    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
139.53 ms | 1432 KiB | 15 Q