3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "laruence"; $var_dup = $var; debug_zval_dump($var_dup); debug_zval_dump($var); //unset($var); $var_dup=1; debug_zval_dump($var_dup);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JoIAT
function name:  (null)
number of ops:  13
compiled vars:  !0 = $var, !1 = $var_dup
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'laruence'
    3     1        ASSIGN                                                   !1, !0
    4     2        INIT_FCALL                                               'debug_zval_dump'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'debug_zval_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    7     8        ASSIGN                                                   !1, 1
    8     9        INIT_FCALL                                               'debug_zval_dump'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
181.37 ms | 1394 KiB | 15 Q