3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x() { return array( 1=>'a', 'b' => 'v' ); } $r = x()[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/io4kZ
function name:  (null)
number of ops:  5
compiled vars:  !0 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'x'
          1        DO_FCALL                                      0  $1      
          2        FETCH_DIM_R                                      ~2      $1, 1
          3        ASSIGN                                                   !0, ~2
          4      > RETURN                                                   1

Function x:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/io4kZ
function name:  x
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   <array>
    8     1*     > RETURN                                                   null

End of function x

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.51 ms | 1396 KiB | 14 Q