3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numbers = [4, 3, 4, 3, 1, 2, 1]; var_export(array_keys(array_intersect(array_count_values($numbers),[1])));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/l8u6a
function name:  (null)
number of ops:  15
compiled vars:  !0 = $numbers
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'var_export'
          2        INIT_FCALL                                               'array_keys'
          3        INIT_FCALL                                               'array_intersect'
          4        INIT_FCALL                                               'array_count_values'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        SEND_VAL                                                 <array>
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        DO_ICALL                                         $4      
         12        SEND_VAR                                                 $4
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
242.82 ms | 1012 KiB | 17 Q