3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variables['options']['attributes'] = [ 'attribute1' => 'value', 'href' => 'http://www.google.com.mx', 'attribute2' => 'value 2' ]; $attributes = array('href' => '') + $variables['options']['attributes']; print_r($attributes);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/W6J8f
function name:  (null)
number of ops:  11
compiled vars:  !0 = $variables, !1 = $attributes
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_DIM_W                                      $2      !0, 'options'
          1        ASSIGN_DIM                                               $2, 'attributes'
    4     2        OP_DATA                                                  <array>
    9     3        FETCH_DIM_R                                      ~4      !0, 'options'
          4        FETCH_DIM_R                                      ~5      ~4, 'attributes'
          5        ADD                                              ~6      <array>, ~5
          6        ASSIGN                                                   !1, ~6
   11     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
170.37 ms | 1404 KiB | 15 Q