3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(array(1 => 1), array(2 => 2), array(1 => 1)); $items = array_map('unserialize', array_unique(array_map('serialize', $items))); var_dump($items);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o9IAe
function name:  (null)
number of ops:  17
compiled vars:  !0 = $items
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_map'
          2        SEND_VAL                                                 'unserialize'
          3        INIT_FCALL                                               'array_unique'
          4        INIT_FCALL                                               'array_map'
          5        SEND_VAL                                                 'serialize'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        DO_ICALL                                         $4      
         12        ASSIGN                                                   !0, $4
    4    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.84 ms | 1394 KiB | 19 Q