3v4l.org

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.42 ms | 1394 KiB | 15 Q