3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(['foo' => 1] + ['foo' => 2]); var_dump(array_merge(array('foo' => 1), array('foot' => 2)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o5An6
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 <array>
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'array_merge'
          5        SEND_VAL                                                 <array>
          6        SEND_VAL                                                 <array>
          7        DO_ICALL                                         $1      
          8        SEND_VAR                                                 $1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.98 ms | 1394 KiB | 17 Q