3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(new \stdClass, new \stdClass, new \stdClass); $udiff = array_udiff($items, $items, function ($a, $b) { return $a === $b; }); var_dump($udiff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i40Es
function name:  (null)
number of ops:  21
compiled vars:  !0 = $items, !1 = $udiff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        INIT_ARRAY                                       ~4      $2
          3        NEW                                              $5      'stdClass'
          4        DO_FCALL                                      0          
          5        ADD_ARRAY_ELEMENT                                ~4      $5
          6        NEW                                              $7      'stdClass'
          7        DO_FCALL                                      0          
          8        ADD_ARRAY_ELEMENT                                ~4      $7
          9        ASSIGN                                                   !0, ~4
    6    10        INIT_FCALL                                               'array_udiff'
         11        SEND_VAR                                                 !0
         12        SEND_VAR                                                 !0
         13        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fi40Es%3A6%240'
    8    14        SEND_VAL                                                 ~10
         15        DO_ICALL                                         $11     
    6    16        ASSIGN                                                   !1, $11
   10    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fi40Es%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i40Es
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    7     2        IS_IDENTICAL                                     ~2      !0, !1
          3      > RETURN                                                   ~2
    8     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fi40Es%3A6%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
195.23 ms | 1395 KiB | 17 Q