3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( 'a' => 1, 'b' => 2, ); $array2 = array( 'b' => 22, 'c' => 3, ); var_dump(array_merge($array1, $array2));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8IlNM
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array1, !1 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    6     1        ASSIGN                                                   !1, <array>
   11     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'array_merge'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.85 ms | 1394 KiB | 17 Q