3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ''; var_export($test[0]); $anothertest = 'a'; var_export($anothertest[0]); var_export($anothertest[1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DtB7b
function name:  (null)
number of ops:  15
compiled vars:  !0 = $test, !1 = $anothertest
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        INIT_FCALL                                               'var_export'
          2        FETCH_DIM_R                                      ~3      !0, 0
          3        SEND_VAL                                                 ~3
          4        DO_ICALL                                                 
    6     5        ASSIGN                                                   !1, 'a'
    7     6        INIT_FCALL                                               'var_export'
          7        FETCH_DIM_R                                      ~6      !1, 0
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
    9    10        INIT_FCALL                                               'var_export'
         11        FETCH_DIM_R                                      ~8      !1, 1
         12        SEND_VAL                                                 ~8
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.73 ms | 1394 KiB | 15 Q